FSC 5975 Electrical Hardware and Supplies - United States (US)
Includes Conduit; Raceways; Face Plates; Condulets; Outlet and Junction Boxes; Pole Line Hardware, not elsewhere classifiable.
Federal Supply Group 59 Electrical and Electronic Equipment Components
Note-Mounting hardware, included in classes of this group, includes such specially designed items as brackets, holders, retainers, etc. Excluded from classes in this group are such hardware items as screws (Class 5305), bolts (Class 5306), studs (Class 5307), washers (Class 5310), rivets (Class 5320), and other common items indexed to specific classes, other than in Group 59. The FSC indexes and structure will govern the classification of items used on or with mounting hardware cited above.
Supply Items Included in Federal Supply Class 5975 for United States (US)
An item designed to be interposed between a cable and its support or housing to prevent chafing caused by contraction and expansion due to changes in the ambient temperature or damage or injury from outside sources. Excludes such items as loom, cotton sleeving, rubber blankets, grade clamps and all types of conduit and INSULATION SLEEVING, ELECTRICAL.
An item designed to be driven into the earth for the purpose of establishing electrical contact. One end is pointed or tapered to facilitate entrance into the earth. See also ROD SECTION, GROUND.
JUNCTION BOX ASSEMBLY
Two or more junction boxes on a common mounting or mounted on each other. Do not use for single junction boxes which are complex or unusual in construction, or for a junction box with an extension. See also TERMINAL BOX.
A specific length of CONDUIT, METAL, FLEXIBLE with permanently attached ferrule(s), coupling nut(s), elbow(s), or the like. Excludes detachable fittings such as tee(s), wye(s), or elbow(s). Also, excludes conduit like items that are designed for other than electrical applications. See also CASING (as modified).
An item made of rigid or semirigid insulating material for spacing or separating wire(s) and/or cable(s). For items having terminals, see TERMINAL BOARD; and INSULATOR (as modified).
A form of terminator, usually used in power and telephone distribution, designed to be hermetically sealed to the cable(s) to exclude moisture. It may have terminals accessible for testing, or a junction block to facilitate the connecting of cable(s) and wire. See also SEALING FITTING, ELECTRICAL CONDUIT.
An item generally made of insulating material and used to protect switch terminals against damage, shorting and grounding. Excludes COVER, ELECTRICAL SWITCH; BASE, SWITCH and HOUSING, SENSITIVE SWITCH.
An item specifically designed to admit, protect and seal conductor groups or cables and also affords a method of conveniently distributing, terminating and interconnecting the leads.
An item specifically designed to pass an electrical cable or tube through a continuous structure with provisions for packing so as to prevent the leakage of liquids and/or gases through the opening. May include packing nut(s), adapter(s), washer(s), gasket(s), bushing(s), packing(s), cap(s), and/or plug(s).
A fastener primarily designed to hold and secure a cord assembly so that pulling of the cord will not put a strain on the terminal connections.
A rigid or semirigid item of electrically conductive material whose thickness is small in comparsion to its length and width. It is designed to be used for electrical grounding, particularly in junction box and power outlet applications. Excludes TERMINAL STRIP, GROUNDING; CONTACT STRIP, RADIO FREQUENCY GROUNDING; and STRIP, ELECTRICAL GROUNDING.
An item designed to be affixed around an electrical cable to limit the axial movement of the cable at the point where it passes through an opening. It has no facilities for retaining the cable to another object. Excludes BUSHING, STRAIN RELEIF, CABLE.
An item specifically designed to provide reinforcement for a crossarm when mounted on a pole.
A metallic or nonmetallic item of various shapes, designed to position, suspend, support and/or secure electrical cable(s) to utility poles, bulkheads, messenger wires or other supporting surfaces. It may be fastened to the structure by means of rod(s), bolts(s), screw(s) and the like. Excludes CLAMP (as modified); HANGER, WIRE STRAND; BRACKET PIPE; and SUPPORT, ELECTRICAL CABLE.
An item designed to be inserted into a crossarm for the specific purpose of mounting pin type electrical insulators. Excludes BRACKET, INSULATOR.
An item designed to be fitted into the body of a STUFFING TUBE in order to prevent the leakage of liquids and/or gases through the opening in the absence of the cable normally passing through the tube.
A collapsible framework specifically designed to be placed on the ground to hold electrical cable above the ground surface. Excludes BRACKET, PIPE.
An item of metal and/or insulating material having a smooth interior with rounded edges to prevent damage to the insulation of the wire or cable emerging there-from, designed to fit through panel(s) or the wall of a JUNCTION BOX. It may be designed to snap into a knockout hole, or designed with an external thread and furnished with or without a locking nut. For items designed to couple conduit to JUNCTION BOX, see BOX CONNECTOR, ELECTRICAL. See also BUSHING, ELECTRICAL CONDUIT and BUSHING, NONMETALLIC. For items having hexagonal shoulders, see CHASE NIPPLE, CONDUIT.
An item designed to be attached to a supporting surface for the specific purpose of positioning and sustaining an electrical insulator(s). Includes brackets specifically designed for transposing electrical lines.
An item fabricated from metal rod bent longitudinally into an oval shape, one end of which is intended to fit a messenger cable or guy wire and the opposite end formed with a mounting hole for a lag screw. This item is designed to relieve the strain where a messenger cable or wire is installed at an angle to a suspension clamp.
A threaded or unthreaded item designed to mate with the mounting threads or mounting surfaces of a STUFFING TUBE, and to mount the STUFFING TUBE to a continuous structure (bulkhead or deck). The adapter may be recessed on the face to accommodate a gasket and/or washer.
An enclosure of other than cast metal designed to house, mount, and protect, but does not include wiring connections or electrical device(s) such as terminals and/or terminal boards, switches, jacks, fuseholders, connectors, circuit breakers and the like. It is designed for and may include a cover and such accessories as mounting hardware, brackets, locks, clamps, mounts and conduit fittings. Excludes CONDUIT OUTLET; and CHAMBER, CABLE TERMINAL. For boxes which include electrical device(s) such as terminals and/or terminal boards, switches, fuseholders, jacks, connectors, circuit breakers and the like, or combinations thereof, see SWITCH BOX; FUZE BOX; JACK BOX; TERMINAL BOX; CIRCUIT BREAKER BOX; and DISTRIBUTION BOX. For boxes wired to provide the interconnecting facilities for a specific major group of electronic items outside of the box, see INTERCONNECTING BOX. See also INTERCONNECTING CABINET.
A preformed item having high electrical resistance designed for installation on end of cable or lead in order to cover the terminal or termination. It may partially cover the terminal of the item to which the cable or lead is attached. May also provide mechanical protection. Excludes INSULATION SLEEVING, ELECTRICAL.
An enclosure generally fabricated of sheet material designed to accommodate (but does not include) electrical/electronic equipment so that the equipment may be operated without removal. It may include wires, cables, terminal boards, connectors, etc., required for equipment operation. For items designed to accommodate equipment mounted on panels, see RACK, ELECTRICAL EQUIPMENT. See also CASE (2) (as modified). Excludes INTERCONNECTING BOX; INTERCONNECTING CABINET; JUNCTION BOX; and TERMINAL BOX.
An open or inclosed frame structure designed to accommodate (but does not include) electrical/electronic equipment mounted on standard width panels so that the equipment may be operated after installation without being removed. It must have panel mounting rails that provide a uniform pattern of mounting holes that will accommodate various combinations of standard width panels. It may include wires, cables, terminal boards, connectors, and the like, required for equipment operation. See also MOUNTING BASE, ELECTRICAL EQUIPMENT; CABINET, ELECTRICAL EQUIPMENT; and CASE (2) (as modified). Excludes MAIN DISTRIBUTING FRAME, TELEPHONE and INTERMEDIATE DISTRIBUTING FRAME, TELEPHONE.
An item primarily designed to provide for the entrance of electrical wires into a building, structure, or inclosure and to facilitate their connection to feeders or service conductors. It consists of an insulating block and a metallic housing designed to hold the insulating block and to fit an electrical conduit, conduit fitting, or cable of a specified size. This item is primarily intended for use in exposed, wet, or damp locations and is installed so as to preclude the entrance of rain or debris into the conduit. See also CAP, ELECTRICAL.
An item designed to couple or join two different types or sizes of conduits, and/or to be inserted in the opening of a conduit outlet or box to accommodate a conduit of a larger or smaller size; or it may be designed with internal thread on one end for mating with an electrical connector and an external thread on the other end for mating with a conduit coupling nut; or to establish necessary mechanical accommodations between an electrical conduit, conduit assembly and an electrical connector. Excludes REDUCING WASHER, KNOCKOUT and BOX CONNECTOR, ELECTRICAL. See also ADAPTER, CABLE TO CONNECTOR; and CHASE NIPPLE, CONDUIT.
SEALING FITTING,ELECTRICAL CONDUIT
An item of metallic composition with a chamber for sealing compound and two hubs to accommodate electrical conduits of specified sizes. This item is designed with a filler hole and a removable screw plug to enable the pouring of sealing compound into the chamber for the purpose of preventing the passage of explosive gases through a conduit run. The item is primarily designed for use in hazardous locations and may be designed for vertical use, horizontal use, or both. For items which permit the connection or termination of wires, see POTHEAD. See also COUPLING, ELECTRICAL CONDUIT.
An item consisting of a flat, cupped or embossed metallic disk with a centerhole to fit an electrical conduit of a specified size and which is specifically designed to reduce the knockout opening in a box, panel, or wireway for the convenience of terminating electrical conduit of smaller size than the knockout. Excludes ADAPTER, ELECTRICAL CONDUIT.
A nipple made of electrical conduit.
An item of metallic composition cast in the form of an elbow, which is primarily intended to provide for the angular entrance of wires into a building, structure, or enclosure. This item, specifically designed for installation in exposed locations, has two hubs of a specified size to fit the service entrance conduit and may have a third hub for a driven ground connection. It has a cover which makes it tamper-proof and weather-resistant. It may include facilities for pulling electrical conductors but does not have facilities for mounting wiring devices.
An item of metal and/or insulating material having internal threads designed to fit over the end of electrical conduit and/or fittings to provide a smooth interior with a rounded edge to prevent damage to the insulation of the wire or cable emerging therefrom. It may be designed to fit over the end of thin wall conduit, and to be fitted with holding (staking) screws, or it may be provided with internal straight threads for attaching to thick wall electrical conduit or fittings. It may be fitted with a temporary knockout cap (bushcap), and grounding or bonding facilities. For externally threaded items, see BOX CONNECTOR, ELECTRICAL; BUSHING, ELECTRICAL CONDUCTOR; CHASE NIPPLE, CONDUIT and BUSHING, STRAIN RELIEF, CABLE. See also FERRULE, ELECTRICAL CONDUIT. Excludes plain sleeve bushings.
An item of metallic composition, with internal threads, designed to fit the external threads of an electrical conduit or fitting, and which, when installed, provides a method of tightening and locking the connection and completes a positive bond between the conduit and apparatus or fitting to which connected. The bonding or grounding action is accomplished by sharp beveled teeth or by a screw(s). See also LOCKNUT, ELECTRICAL CONDUIT and NUT, COUPLING, ELECTRICAL CONDUIT.
An item comprising three members, so constructed that one of the members holds the remaining two in a fixed butted position; generally used to connect two conduits, conduit fittings, or a conduit and a conduit fitting in such a manner that they may be disconnected without disturbing the rest of the conduit line. See also COUPLING, ELECTRICAL CONDUIT.
An item fabricated in the form of an elbow and having both ends threaded female, or with unthreaded connecting facilities on both ends, or connecting facilities on both ends, one of which is a male thread without boss or shoulder. If a locknut or bondnut is included, it shall not be considered as a thread boss or shoulder. It is primarily intended to connect conduit to conduit. It may have a removable cover to facilitate pulling wires, but does not include facilities for mounting wiring devices. For items having a removable cover to facilitate pulling wires and specifically designed for close installation in exposed outdoor locations and which may have facilities for an outside driven ground, see ENTRANCE ELBOW, ELECTRICAL. For items with one end having a male thread with a boss or shoulder, see BOX CONNECTOR, ELECTRICAL. For items having a removable screw cap for pulling wires, with the cap positioned 45 degrees from the connection facilities, see ENTRANCE ELBOW, ELECTRICAL. For items fabricated in the form of an elbow having both ends threaded male, see BEND, ELECTRICAL CONDUIT.
An item designed to be used in a conduit system for the purpose of providing outlets or attachments for electrical wiring devices and/or designed to provide access and facilitate installment of wires. It may or may not include a cover(s). It does not include wiring devices. Excludes ENTRANCE ELBOW, ELECTRICAL. See also JUNCTION BOX.
An item fabricated in the form of a curved section specifically designed to mechanically join a conduit or conduit fitting to another conduit or conduit fitting. Items of this type do not have a boss or hub at either end, nor do they have facilities for mounting wiring devices or pulling electrical conductors. See also ELBOW, ELECTRICAL CONDUIT and CONDUIT OUTLET.
An item designed to mount directly on a bracket or an electrical current carrying wiring device(s) such as switch(es) or outlet(s) (receptacle). The bracket(s) or electrical current carrying device is mounted in a JUNCTION BOX. For trade designated items designed to be attached directly on or through a bracket or electrical wiring device to a CONDUIT OUTLET, see COVER, CONDUIT OUTLET. For items designed for mounting directly on a JUNCTION BOX, see COVER, JUNCTION BOX.
An inclosure which includes mounts and protects such items as switches, circuit breakers, jacks, fuseholders, connectors, terminals and/or terminal boards, resistors, capacitors, transformers, and the like. It is primarily designed to interconnect two or more electrical and/or electronic items, except primary power source(s) such as generator(s) and battery(ies). It may include a cover or door. For inclosures which connect one or more primary power source(s) to one or more electrical and/or electronic item(s), see DISTRIBUTION BOX. See also CIRCUIT BREAKER BOX; TERMINAL BOX and INTERCONNECTING CABINET.
An item designed for the connection and support of an electrical drop cord.
An item designed to be used as a foot rest in ascending and descending utility poles, when attached thereto.
An item designed for the purpose of supporting cable(s). It is shaped like a channel and has a U like cross section with through holes, slots and the like, along the length. When mounted in the vertical position it will accept hooks which extend out perpindicularly from the surface to support cable(s). The item does not include hooks. See also RACK, CABLE, INTERIOR.
An open frame structure primarily designed to support electrical cables in buildings and shelters. Its purpose is to provide, by itself or by joining to similar structures, a path or runway for cable which may connect two or more pieces of electrical equipment. It does not include items designed to hold a single cable. See also RACK, CABLE, UNDERGROUND; and HANGER, CABLE.
An item usually of one piece construction, but which may be comprised of more than one piece, designed to be affixed permanently or temporarily to the end of an electrical conduit to form an end fitting. Unflanged items form a permanent end fitting which affords mechanical protection to emerging conductors. Flanged items are used with another fitting normally a conduit coupling nut, to make the conduit adaptable for connection to an electrical connector, junction box or other conduit accessory or fitting. Excludes RING, ELECTRICAL BONDING; BUSHING, ELECTRICAL CONDUIT; and BUSHING, PLAIN SLEEVE. See also FERRULE-NUT COUPLING, ELECTRICAL CONDUIT.
HOOK,UNDERGROUND CABLE RACK
A rigid item designed to be perpendicularly attached to an underground cable rack to be used as the supporting arm for cables. May include insulators.
A holder designed to accommodate a detachable pole step.
DISK,END SEAL,ELECTRICAL CONDUIT
A flat circular item fitted on the end of an electrical conduit in order to close the end to prevent the entrance of water or refuse, prior to installation of the wires, during shipment and/or construction. The item may be held in place by means of a conduit bushing and may be easily removed to permit installation of the wires.
An item constructed specifically to provide a separation between lashed lead covered cable and messenger strand for the prevention of injury to sheath of cable.
An item specifically designed to be attached to a utility pole for the purpose of accommodating a workman in a standing or sitting position while engaged in the maintenance or installation of equipment.
An item designed to mechanically connect in a straight line or an angle electrical conduit, conduit assemblies, wire, wireway, cable, or cable assemblies to a point of termination, such as a junction box, conduit outlet, or the like. The termination end must have an external thread with a boss or shoulder and may be furnished with a locknut or bondnut; or, must have internal thread with which is furnished an externally threaded hub with a wrenching feature; or be of a snap-in type that may be installed from either inside or outside the box and secured with a captive screw. It is not intended to join conduit to conduit. For angle type items having a male thread without a boss or shoulder, see ELBOW, ELECTRICAL CONDUIT. Does not include facilities to mount wiring devices. Excludes CHASE NIPPLE, CONDUIT.
An item specifically designed and constructed to mechanically connect in a straight line two sections of electrical conduit or like fabrication and of the same size. For three-piece items which may be disassembled without disturbing the rest of the conduit line, see UNION, ELECTRICAL CONDUIT. See also ADAPTER, ELECTRICAL CONDUIT; POTHEAD; and SEALING FITTING, ELECTRICAL CONDUIT.
A type of electrical conduit fitting fabricated in the form of the letter Y, having three hubs permitting conduits and/or conduit fittings to be taken off laterally from the main line of equal degree on each side, or with the main line continuing straight with a branch taking off at an angle. For items of this type having facilities for mounting wiring devices, see CONDUIT OUTLET.
A metallic irregularly shaped item designed to permit cable racks to be mounted away from the mounting surface to escape obstructions or limited space.
An item of metallic composition, usually round and flat with a center hole or slotted hole designed to accommodate an electrical cable or conduit, and which, when used in conjunction with a cable clamp or similar locking device, completes a positive bond between the cable or conduit fitting, such as connectors, adapters, and couplings, and the cable or conduit shield and/or individual conductor shield(s). See also FERRULE, ELECTRICAL CONDUCTOR.
BASE,ELECTRICAL EQUIPMENT RACK
A structural item which is specifically designed to provide a suitable flat surface to support one or more RACK, ELECTRICAL EQUIPMENT. It may include legs and/or leveling devices. For similar items designed primarily for the purpose of damping shock and/or vibration, see MOUNTING BASE, ELECTRICAL EQUIPMENT. See also STAND, (as modified).
An item specifically designed to be mechanically fastened to an electrical cable on each end of a splice to protect the splice from excessive strain. It usually has provisions for making a waterproof or moisture-proof joint. Excludes INSULATION SLEEVING, ELECTRICAL.
An item of metallic composition with internal threads and an internal seat designed to join a ferrule capped conduit to a fitting. See also BONDNUT, ELECTRICAL CONDUIT.
An item specifically designed to reinforce insulator brackets at their fastenings on a line construction pole when high strength wire or long spans are used.
A cover containing facilities for mounting directly on a JUNCTION BOX. It may have provisions for the insertion and/or mounting of electrical devices, such as switches, connectors, additional covers, and jewels. It may include the jewel(s). For covers having facilities for mounting on brackets or on current carrying devices such as switches and receptacle connectors, see PLATE, WALL, ELECTRICAL. See also COVER, CONDUIT OUTLET.
A metallic item, grooved to fit a wire strand such as a messenger strand, and designed to be attached to a utility pole or other supporting surface for the purpose of horizontally suspending and firmly securing the wire strand. See also HANGER, CABLE, and CLAMP, ELECTRICAL CONDUCTOR, STRAIN. Excludes BRACKET, PIPE.
A type of electrical conduit fitting fabricated in the form of a cross having four hubs in the same plane, the axes of which form a right angle, and primarily intended to join electrical conduits and/or conduit fittings. For items of this type having ties for mounting wiring devices, see CONDUIT OUTLET.
A type of electrical conduit fitting fabricated in the form of the letter T having three hubs for joining electrical conduits and/or conduit fittings. For items of this type having facilities for mounting wiring devices, see CONDUIT OUTLET.
A panel designed to fill a space not occupied by actual operating components, and may have instructions, component designations, or component identifications etched or printed thereon.
CASE,ELECTRICAL EQUIPMENT CABINET
An item which is part of a multi-section ground rod. Excludes items with driving points. see also ROD, GROUND.
An item designed to be mounted on a JUNCTION BOX to increase the depth of the box.
PACKING NUT,STUFFING TUBE
A threaded or unthreaded device, with an unthreaded center hole to accommodate an electrical cable or tube, designed to mate with the threads or sealing components of a stuffing tube body for the purpose of compressing packing around the electrical cable or tube. A component of a STUFFING TUBE.
STRAP,SAFETY,WIRE STRAND HANGER
An item primarily designed to be attached to a cable suspension clamp mounting bolt, providing a guard or loop below the mounting bolt to support the cable should the messenger fail.
STRAP,SUPPORT,WIRE STRAND HANGER
An item primarily designed to provide additional support to the end of the clamp mounting bolt by transmitting a portion of the stresses to the pole or supporting member.
STRAP,SUPPORT AND SAFETY,WIRE STRAND HANGER
An item primarily designed to provide additional support to the end of a cable suspension clamp bolt by providing a linkage from the bolt end to the supporting member and is also extended below the suspension bolt to form a loop or guard to support the cable should a messenger fail.
GROUNDING SET,TRANSMISSION LINE
An item consisting of two or more clamp type devices with facilities for the connection of jumpers and/or grounding cables. When installed this item provides for the temporary grounding of de-energized electrical transmission line(s) to protect workmen against injury resulting from accidental re-energization of the lines. Excludes CLAMP, ELECTRICAL.
A cylindrical item into which a wire or cable is inserted. It is inscribed for identification, to indicate connections or routing of electrical cables and the like. For unmarked items made of insulation material, see INSULATION SLEEVING, ELECTRICAL. For items secured by crimping, slot and tongue, or other similar methods of fastening, see BAND, MARKER.
A case which by virtue of standardization of equipment dimensions is designed to contain one or more components of different basic names. Do not use for cases designed only for specific items or a specific grouping of items.
FERRULE-NUT COUPLING,ELECTRICAL CONDUIT
An item consisting of a FERRULE, ELECTRICAL CONDUIT upon which is permanently mounted a NUT, COUPLING, ELECTRICAL CONDUIT. It is designed to be attached to an electrical conduit and used to mechanically connect the conduit to another conduit fitting such as a box connector. Excludes BOX CONNECTOR, ELECTRICAL; ADAPTER, ELECTRICAL CONDUIT; and COUPLING, ELECTRICAL CONDUIT.
A clamp designed to support and/or dead end a suspended conductor(s). Must have a provision for attachment to an insulator. Insulator is not included. Excludes HANGER, WIRE STRAND.
An item of wood with one end pointed for insertion into the ground and the other end equipped or designed to have an attachment to mount insulator(s). It is used for supporting temporary wire communication lines.
SHELL,ELECTRICAL ENTRANCE CAP
An item similar to ENTRANCE CAP, ELECTRICAL, but it does not include an insulating block. See also CAP, ELECTRICAL.
A conduit constructed of circular flexible metal tubing. It may be shielded with a woven metal wire braid covering, with a packing between the joints, and it may have a rubber and/or synthetic rubber or plastic outer protective covering. It contains no fittings. See also CONDUIT, METAL, RIGID. Excludes conduit like items that are designed for other than electrical applications.
A conduit of one-piece tubular construction, designed as thin wall type (EMT) and thick wall type. The items may be threaded and furnished with a COUPLING, ELECTRICAL CONDUIT and/or thread protection. See also CONDUIT ASSEMBLY,METAL, RIGID. Excludes conduit like items that are designed for other than electrical applications.
A conduit of one piece construction of asbestos and cement, bituminized fiber, or rigid plastics material. The item may have both ends processed for connection by means of a coupling. One coupling may be furnished for each length of conduit. The conduit may or may not be impregnated with coal tar pitch. Excludes conduit like items that are designed for other than electrical applications.
SPLICING KIT,RADIO FREQUENCY CABLE
A collection of items used in splicing a radio frequency cable, such as yokes, plugs, cable, switches, and power transformer.
A metal item having an eye attached or integral with a nail-like item. It is designed for running twisted pair, bridle, or parallel drop wires on building walls, fences, poles and the like. For similar items having threaded ends, see BRIDLE RING. Excludes HOOK, SUPPORT.
A metal item having an open eye on one end and a wood screw, or machine thread on the opposite end. The machine thread item may be furnished with a nut or toggle attachment. It is designed for running twisted pair, bridle or parallel drop wires on building walls, fences, poles, and the like. For similar items having a drive nail end, see DRIVE RING. Excludes HOOK, SUPPORT.
An item which, in conjunction with one or more similar items, aids in the support of electrical equipment. See also LEG SECTION, ELECTRICAL EQUIPMENT.
LEG SECTION,ELECTRICAL EQUIPMENT
An item which in itself is not a complete functioning item. It consists of parts which, together with other similar parts, form an electrical equipment leg.
An externally threaded item having a hexagonal shoulder with a smooth bore. It may be used to connect two junction boxes or to accommodate thin wall conduit or tubing by slip fit to a junction box or conduit outlet. It may or may not be furnished with a locknut. For items externally and internally threaded, see ADAPTER, ELECTRICAL CONDUIT. See also BUSHING, ELECTRICAL CONDUCTOR.
An insulating item designed to prevent movement along the axis of an electric wire or cable in either direction when placed in the chassis of such items as electric fans, irons, drills, motors, radios, clocks and the like. It may be designed for use in the central column of a gun mount and the like. See also COLLAR, CABLE.
A specific length of tubing or conduit, nonmetallic, rigid or flexible, with or without electrical rating, and with permanently attached ferrule(s), coupling nut(s), or the like. It may include one or more woven wire braid cover(s). Excludes detachable fittings such as tee(s), wye(s) or elbow(s). Also excludes conduit like items that are designed for other than electrical applications.
An item of any material, with or without threads, designed to mate with a CONDUIT OUTLET or a SEALING FITTING, ELECTRICAL CONDUIT. It may be designed as a removable side plate cover with or without hubs. It may have provisions for draining or venting. It may be designed for the insertion and/or mounting of electrical devices, such as switches, receptacle connectors, and indicator light lenses. It may include mechanisms for the external operation of switches but does not include the wiring devices. For items designed to mount directly on a bracket or an electrical current carrying wiring device, see PLATE, WALL, ELECTRICAL. See also COVER, JUNCTION BOX.
CLAMP,COUPLING NUT,ELECTRICAL CONDUIT
An item designed to be clamped on a conduit. It has extending prongs to engage and lock in position a NUT, COUPLING, ELECTRICAL CONDUIT.
An item relatively thin in its vertical dimension, designed to provide a horizontal working surface on the front of a CABINET, ELECTRICAL EQUIPMENT or a RACK, ELECTRICAL EQUIPMENT. May include wiring, power outlets and similar accessories. May be furnished with slides to permit stowing within the cabinet or rack when not in actual use.
ELECTRICAL KIT,SHOP SET INSTALLATION
A collection of wiring and fixture items, such as box, cable, connector, cord, cover, cutout, fuse, receptacle, socket, switch, and the like, designed to wire shop set equipment when installing it in a shop truck as part of the basic load.
ALUMINUM CONDUCTOR CONTACT PASTE
An item consisting of a suspension of electrical conductive particles in a carrier of greaselike consistency, which is applied to aluminum conductor surfaces before a solderless electrical joint is made. The carrier excludes moisture and salt water from the joint and inhibits subsequent oxidation and corrosion. Excludes INSULATING COMPOUND, ELECTRICAL.
A flexible strap, furnished with a buckle, specificifically designed to support other items, such as cable(s), wire(s), tube(s), and the like. The buckle may be permanently assembled and may be provided with a mounting feature. The strap may be used to bridge a channel by mounting the buckle and strap separately. Excludes CLAMP, LOOP; STRAP, RETAINING; STRAP, LEATHER; and STRAP, WEBBING.
An item having internal threads designed to fit the external threads of an electrical conduit or fitting for connecting to a junction box, panel, wireway, or other point of termination, and which, when installed, provides a method of tightening to lock the connection. The items may be either flat-sided or circular in external shape and must have a specific conduit size designation. SEE BONDNUT, ELECTRICAL CONDUIT and LOCKNUT, TUBE FITTING. Excludes NU T (1), PLAIN HEXAGON.
A conduit of one piece flexible, nonmetallic, tubular construction. The item may have an outer covering for additional mechanical protection, a woven wire braid for interference suppression, and/or wire reinforcement. For items having rated electrical characteristics, see INSULATION SLEEVING, ELECTRICAL. Excludes TUBING, NONMETALLIC; and TUBING, PLASTIC, SPIRAL WRAP. Excludes conduit like items that are designed for other than electrical applications.
An item designed to slide in and out of a CABINET, ELECTRICAL EQUIPMENT or RACK, ELECTRICAL EQUIPMENT and used to mount and/or store electrical/electronic equipment. It does not include the electrical/electronic equipment, but may include wires, cables, terminal boards, connectors, etc.
MOUNTING BASE,ELECTRICAL EQUIPMENT
A tray or racklike item designed to provide a supporting surface to which electrical/electronic equipment may be secured when installed in aircraft, vehicles, or other types of mobile equipment. It may be equipped with shock or vibration isolation devices and/or wires, cables, terminal boards, connectors, etc. Excludes BASE, ELECTRICAL EQUIPMENT RACK and MOUNT, RESILIENT. See also RACK, ELECTRICAL EQUIPMENT.
An open frame structure specifically designed to accommodate (but does not include) electronic terminal junctions (TERMINAL BOARD; TERMINAL (1), FEEDTHRU; and the like). The item may consist of separable or nonseparable channels, mounting blocks and fastening devices. Mounting blocks are designed so the assembly can be mounted on panels or bulkheads. Tightening the fastening devices which secure the channels to the mounting blocks will also secure terminal junctions within the frame assembly. Excludes RACK, ELECTRICAL EQUIPMENT; TERMINAL BOARD; JUNCTION BOX; and HARDWARE KIT, ELECTRONIC EQUIPMENT.
A device used to discharge the voltage stored in cathode ray tubes and other electronic equipment which have capacitor type filtering circuits that retain a voltage charge after the primary power has been removed. See also DISCHARGER, ELECTROSTATIC.
MOUNTING BASE,TIE DOWN,ELECTRICAL
An item used in conjunction with STRAP, TIEDOWN, ELECTRICAL COMPONENTS to secure wire(s) or cable(s) to a supporting surface.
An item used in conjunction with open style raceway for the protection of electrical wires and/or cables. May be attached by snap closure, stud and nut, or similar device. Generally furnished in bulk quantities.
A panel which is designed to accommodate, but does not include connectors, displays, indicators, jacks, meters, switches, and the like. It may include clinch nuts or fastening devices as part of the item. Excludes PANEL, BLANK.
JOINT BOX,ELECTRIC CABLE
A special box made of cast metal, molded or shrinkable plastic which encases the electric connections of two or more electric cables, protects them against tensions and other excessive wear by means of mechanical attachment to the cable covering, and keeps moisture, gasses, and other environmental conditions away from the splicing by means of sealing it with a special casting compound or by heatshrinkage or bonding. The JOINT BOX, ELECTRIC CABLE as a rule is buried in the ground or put on a cable rack and is not reusable. Assembly accessories may be included.
SUPPLEMENTARY EQUIPMENT,JOINT BOX,ELECTRIC CABLE
A pre-determined combination of different accessories which are packed as a set and are used as supplement to the normal assembly accessories of the JOINT BOX, ELECTRIC CABLE.
A box, frame, or plate fabricated of electrically conductive material designed to mount, but which does not include, electronic components and their associated circuitry. It may have facilities for attachment to a rack or cabinet or to accommodate specially designed components. It may include a shielding function, integral wiring, and mounting hardware as part of the item. Excludes MOUNTING BASE, ELECTRICAL EQUIPMENT.
An angular section of RACEWAY for making turns in a run of RACEWAY.
A metallic or nonmetallic item which is rigid, flat and generally smooth. Its thickness is small in comparison to its length and width. It is designed for mounting another item and may have drilled or threaded holes or other facilities for mounting to a supporting object or surface. See SUPPORT, as modified. Do not use if a more specific name applies.
ANCHOR PLATE,ELECTRICAL CONDUIT FERRULE
A piece of flat material, specially designed to secure a FERRULE, ELECTRICAL CONDUIT.
A channel consisting of one or more parts with other than circular cross sections. The item forms part of bulk quantities which have been specially treated and provided with miter heads and/or mounting holes, for example. It may also be produced in one piece by special molding processes such as thermoplastic pressure die-casting. The item protects electrical wires and/or cables against mechanical damage. Excludes RACEWAY (1), NONMETALLIC.
A channel consisting of one or more parts with other than circular cross sections. The item is not supplied in bulk quantities and has a particular shape with specific dimensions conforming to a predetermined cable run (e.g., angular or U-shape). The item protects cables against damage. Excludes RACEWAY (1), METALLIC.
An item consisting of preformed material, cable clamps, a cover sheet and mounting hardware. It is designed for supporting and securing communication equipment interconnect cables with cable clamps in cases where the communication equipment is mounted in frame-type racks facing each other. The item has fixed dimensions and is prefabricated to a specific shape. It forms part of an INSTALLATION KIT (1), ELECTRONIC EQUIPMENT (e.g., for cabins). Excludes RACEWAY (1), METALLIC; RACEWAY ASSEMBLY, METALLIC; RACEWAY (1), NONMETALLIC; RACEWAY ASSEMBLY, NONMETALLIC.
An item designed for tightly sealing those openings of a JUNCTION BOX towards the outside or inside that are neither provided for being connected with other JUNCTION BOX nor for cable entry. Excludes FLANGE, ADAPTER, ELECTRICAL BOX and FLANGE, ELECTRICAL BOX ENTRY.
FLANGE,ELECTRICAL BOX ENTRY
An item designed for tightly sealing the openings of a JUNCTION BOX, provided for cable entry, towards the inside or outside. It may include openings or knock-out holes with or without threads that are provided for the installation of STUFFING TUBE or other cable entries. Excludes FLANGE, SEALING, ELECTRICAL BOX and FLANGE, ADAPTER, ELECTRICAL BOX.
An item which, through assembly of two or more JUNCTION BOX, forms a distribution system tightly sealing the junction openings towards the outside. Excludes FLANGE, ELECTRICAL BOX ENTRY and FLANGE, SEALING, ELECTRICAL BOX.
A plate mounted vertically to the floor of a JUNCTION BOX which divides the interior of the box thus separating two or more electrical circuits or a plate compartmentalizing or sealing off one or more connection openings which occur when several JUNCTION BOX are connected to form a distribution section. Excludes FLANGE, SEALING, ELECTRICAL BOX.
An item which in conjunction with an electrical equipment leg or the like, aids in the support of electrical equipment. It is a broad based metallic or nonmetallic item which serves as a stabilizer.
CASE SECTION,STANDARDIZED COMPONENTS,ELECTRICAL
An item of various shapes or design representing an integral part of a CASE (2), STANDARDIZED COMPONENTS, ELECTRICAL. It may include fastening, sealing, padding and/or locking devices. It does not include components.
An item used for fixing/mounting TERMINAL JUNCTION BLOCK, SECTIONAL.
An item which facilitates the mounting of electronic/electrical equipment(s) into racks and the like, having holes and/or clamping devices enabling quick replacement of the mounted equipment. does not include the equipment for which designed. may include interconnecting facilities and resilient mountings. excludes DRAWER, ELECTRICAL EQUIPMENT, RACK MOUNTED; DRAWER, ELECTRICAL EQUIPMENT CABINET; CHASSIS, ELECTRICAL EQUIPMENT and PLATE, MOUNTING, ELECTRICAL EQUIPMENT.
An item designed to be interposed between an electrical conductor which may be bare or insulated and its support or housing to prevent chafing caused by contraction and expansion due to changes in the ambient temperature or damage or injury from outside sources. Excludes such items as loom, cotton sleeving, rubber blankets, grade clamps, and all types of conduit and INSULATION SLEEVING, ELECTRICAL.
An item serving as a base for electrical pieces such as switches, ceiling roses. It is usually recessed at the base for accommodating wires.
MOUNTING LOCKING MECHANISM,MECHANICAL,AIRCRAFT EQUIPMENT
An item consisting of a worm gear which mesh with two worm pinions. They are inclosed in a housing which is fixed on a housing electrical/electronic equipment. They mate with two rack gears fixed on a RACK, STRUCTURAL, AIRCRAFT EQUIPMENT. When the worm gear is actuated by means of a handwheel, its spiral teeth mesh with the pinions teeth which engage with the rack gears teeth allowing the equipment to move in a straight line motion in slides fixed on the rack and on the housing equipment.
HANDLE,QUICK DISCONNECT,AIRCRAFT EQUIPMENT
A specially designed handle having an internal lock mechanism. It has two headed ends which mate two housing equipment apertures. When the trigger is actuated one of these ends moves laterally and locks the handle in the housing electrical/electronic equipment. It is used to facilitate handling of equipment which must be installed or replaced depending on aircraft missions.
A straight or prebent length of a CONDUIT, METAL, RIGID complete with permanently attached fitting(s), such as flanges, wye(s) and tee(s). See also TUBE ASSEMBLY, METAL and CASING (as modified). Excludes conduit like items that are designed for other than electrical applications.
An enclosure, the principal purpose of which is to house, protect, and provide a connecting or branching point for one or more electrical circuits. It is wired to provide the interconnecting facilities for a specific group of electrical and/or electronic items outside of the interconnecting cabinet. It may contain parts such as capacitors, resistors, fuses, relays and terminal boards. In addition, it includes panel(s) on which are mounted control and instrumenation devices associated with the internal components of the cabinet. For items not including such panels. See CABINET, ELECTRICAL EQUIPMENT. See also CIRCUIT BREAKER BOX; DISTRIBUTION BOX; INTERCONNECTING BOX; JUNCTION BOX and TERMINAL BOX.
PROTECTOR,ELECTRICAL CABLE ASSEMBLY
An item specifically designed to protect an electrical cable assembly from damage by other items during assembly and/or disassembly operations of associated equipment. Excludes such items as loom, cotton sleeving, rubber blankets, all types of conduit, INSULATION SLEEVING, ELECTRICAL and PROTECTOR, ELECTRICAL CABLE.
STRAP,TIE DOWN,ELECTRICAL COMPONENTS
A preformed item of flexible or semiflexible material of various cross-sectional shapes. It may be tapered to a point at one or both ends, or provided with holes, slots, detents, or other locking devices. It is designed to surround wiring harnesses and other electrical/electronic components. It may be preprinted with legendary characters, symbol(s), letter(s), numeral(s), or color coded, and may be provided with means for securing to other objects. Excludes BAND, MARKER; CLAMP, ELECTRICAL; CLAMP, LOOP; MARKER, IDENTIFICATION; and STRAP, RETAINING.
STOP,RAIL GUIDE,ELECTRIC COMPONENT
A metallic or nonmetallic item or various shapes designed to be attached at the end of a RAIL,GUIDE to prevent movement of electric component. It may include facilities for a pin, set screw, or the like to allow for adjustment.
An item which is used to close right and or left side of RACEWAY (WITH MODIFIER).
MOBILE CONTACT,ELECTRICAL GROUND
Item such as a brush, wheel and the like, designed to allow grounding of mobile machinery such as overhead cranes and the like. It may have fastening means such as bolts or the like and various mounting accessories. Excludes ROD,GROUND; PLATE,ELECTRICAL GROUNDING and CLAMP,ELECTRICAL CABLE.
A metallic or nonmetallic item of various shape designed to be placed on floor to protect onr or several electrical cable or cord from damages caused by the personnel vehicular, equipment and the like. Excludes: PROTECTOR,ELECTRICAL CABLE and PROTECTOR,ELECTRICAL CABLE ASSEMBLY.