4" Steel Box Extensions 1-1/2" Deep 1/2" KO

4" Steel Box Extensions 1-1/2" Deep 1/2" KO – Steel Box Extension Topaz galvanized steel 4” Square Extensions are designed to increase wiring capacity and provide access for additional conduit runs and electrical wire. These extensions are suitable for use by electrical distributors and switchgear suppliers needing reliable steel box solutions for junction box modifications and expansions. Specifications Depth: 1-1/2" Cubic Capacity: 21 cubic inches Material: Galvanized steel Knockouts: (12) - 1/2" KO Product Weight: 0.4000 lbs Manufacturer Part #: E4511 UPC: 75133886701 Features Adds to junction boxes for additional wiring capacity Provides access for additional conduit runs and electrical wire cULus listed and RoHS compliant for safety and environmental standards Downloads & Links Spec Sheet