Any acceptable first end conduit type accommodated, external thread first end end type, internal thread second end end type, 0.250 inches first end item accommodated trade size, aluminum alloy material

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.