A-A-50563 Conduit Outlet Boxes, Bodies, and Entrance Caps, Electrical: Cast MetalThis commercial item description CID establishes the government acquisition requirements for cast metal conduit outlet boxes, bodies, and entrance caps for use with threaded and threadless rigid conduit, intermediate metallic conduit, and electrical metallic conduit. Outlet boxes may be used as wire outlets or as mountings for lamp holders, rosettes, switches, convenience outlets, to enclose wire splices, for mounting or enclosing surface wiring offsets, pull boxes, and other functions in conduit runs. Entrance caps provide a weather resistant service entrance for wires.

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A-A-50563B

TABLE VI. Type I, design 01, 02, and 03 conduit bodies with styles and hub size where hubs are not all the same size.

TABLE VII. Type II outlet boxes with design with design and forms.

1Forms C and D have the number of hubs on the one end equal to the form number with one hub on the other end.

Source: https://assist.dla.mil -- Downloaded: Check the source to verify that th1is1is the current version before use.