The serial number is known to Eaton to be SUSPECT.
Eaton Crouse-Hinds series Square Outlet Box, (4) 1/2", (1) 3/4" C, 4", S, Conduit (no clamps), Welded, 3-1/2", Steel, (12) 1/2", (1) 3/4" C, 46.0 cubic inch capacity
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