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

2.2 Designs. The outlet boxes and devices shall be one of the designs listed in table I.

TABLE I. Design configurations.

Design code	Configuration
01	Standard size wiring chamber with threaded hub connection for rigid conduit
02	Standard size wiring chamber with threadless hub connection for rigid conduit
03	Standard size wiring chamber with threadless hubs for electrical metallic tubing
04	Wiring chambers enlarged in both length and width and with threaded hub connection for rigid conduit
05	Wiring chamber with increased length and with threaded hub connection for rigid conduit
06	Wiring chamber with increased length and with threadless hub connection for electrical metallic tubing
07	Threaded hub connection for rigid conduit, shallow depth
08	Threaded hub connection for rigid conduit, deep depth
09	Threadless hub connection for rigid conduit, shallow depth
10	Threadless hub connection for rigid conduit, deep depth
11	Threadless hub connection for electrical metallic tubing, shallow depth
12	Threadless hub connection for electrical metallic tubing, deep depth
16	Nominal 4 inch (10.2 centimeters (cm)) diameter for exposed installation
18	Nominal 3 1/2 inch (8.9 cm) diameter
19	Nominal 4 5/8 inch (11.7 cm) diameter
20	3 1/2 inch (8.9 cm) diameter, threaded cover, plain base
21	4 1/4 inch (10.8 cm) diameter, threaded cover, plain base
22	5 3/4 inch (14.6 cm) diameter, threaded cover, flanged, mounting base
23	3 1/2 inch (8.9 cm) diameter, threaded cover, flanged, mounting base
25	3 1/2 inch (8.9 cm) diameter, cover attached by screws, plain base
26	4 5/8 inch (11.7 cm) diameter, cover attached by screws, plain base
27	Threaded hub connection for rigid conduit
28	Threadless hub connection for electrical metallic tubing
29	Threadless hub connection for rigid conduit