The serial number is known to Eaton to be SUSPECT.
Eaton Crouse-Hinds series Masonry Box, (2) 1/2", (2) 3/4", 3-1/2", (2) 1/2", (2) 3/4", Steel, Single-gang, (4) 1/2", (4) 3/4", Gangable, 22.0 cubic inch capacity
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