Vintage Junction Cover Box, American Products Company, 3.4 x 5.1 x 2.4", brass?

Description

"American Products Company" Metal Box
model JB750
Pre-owned.
Typical wear, scuffs and scratches.
found in the garage, not sure what it fits.
similar items online suggest it may be for a pool/spa light system.
*sold as-is... i have not tried to clean it.
Vintage item... not sure what metal it is (possibly brass?), or the exact year made
approx. 3.4" tall x 5.1" wide x 2.4" deep