72171-1/23/4ECN

Square Box - 42 Cubic Inches - 4-11/16 Inches Square x 2-1/8 Inches Deep - 1/2 Inch and 3/4 Inch Eccentric Knockouts - Pre-Galvanized Steel - Welded Construction - Suitable for use without a Bonding Jumper in Circuits Above or Below 250 Volts.