1-1/2" DEEP, 4" SQUARE (4S) EXTENSION RING WELDED WITH MKO

1-1/2" DEEP, 4" SQUARE (4S) EXTENSION RING WELDED WITH MKO – Electrical Extension Ring This 1-1/2" deep, 4" square welded extension ring by Orbit Industries is designed for use in electrical installations requiring extension of 4" square (4S) boxes. It is suitable for applications involving electrical distributors and lighting solutions, providing a reliable extension option for wire and cable management in switchgear and electrical box assemblies. Specifications Product Weight: 25.84 lbs Manufacturer: Orbit Industries Manufacturer Part Number: 4SB-MKO-EXT Dimensions: 1-1/2" deep, 4" square UPC: 835243000896 Features Welded construction for durability and secure installation Designed to extend 4" square electrical boxes with MKO knockouts Compatible with 600V bonding applications Suitable for use in 2-hour rated walls Includes raised ground emboss for grounding support (except bracketed and extension boxes) Downloads & Links Spec Sheet Spec Sheet