4″ Square Box Extension Box, 1/2″ MKO’s, 2-1/8″ Deep

Description

The CM-4SDB-MKO-EXT 4" Square Extension Box is a steel electrical box with a depth of 2.125 inches and a cubic capacity of 30.3 cubic inches. It features six 1/2" knockouts and six MKO knockouts for versatile cable entry. Weighing 0.65 pounds, this extension box is designed for use in various electrical installations, providing ample space for wiring connections. Ideal for extending existing box installations, it belongs to the CM4SDBMKO series and falls under the category of extension rings.