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 V. Type I conduit bodies with designs and hub size groups where all hubs are the same size.

1Group 1 - Includes 1/2- (1.3 cm), 3/4- (1.9 cm), and 1-inch (2.54 cm) size hubs.

Group 2 - Includes 1- (2.54 cm), 1 1/4- (3.2 cm), 1 1/2- (3.8 cm), 2- (5.1cm), 2 1/2- (6.4 cm), 3- (7.6 cm),

3 1/2- (8.9 cm), and 4-inch (10.2 cm) size hubs.

Group 3 - Includes 1/2- (1.3 cm), 3/4- (1.9 cm), 1- (2.5 cm), 1 1/4- (3.2 cm), 1 1/2- (3.8 cm), and 2-inch (5.1 cm)

size hubs.

Group 4 - Includes 5- (12.7 cm) and 6-inch (15.2cm) size hubs.