FED-STD 157

Definition Electrical Box Connector

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.