4" SQUARE, 2-1/8" DEEP BOX WITH MKO, 10" PIGTAIL AND BACK MOUNTING PLATE – Electrical Distributor Box

This 4" square, 2-1/8" deep welded metal electrical box from Orbit Industries is designed for secure wire and cable management in commercial and residential electrical installations. It features multiple molded knockouts (MKO) and a back mounting plate, making it suitable for lighting solutions, switchgear supplier applications, and general electrical distribution needs. The box supports fixture and luminaire mounting up to 50 lbs, providing a reliable solution for electrical distributors and contractors.

Specifications

• Dimensions: 4" square face, 2-1/8" depth
• Volume: 30.3 cubic inches
• Material: Welded metal construction
• Knockouts: 8 - 1/2" and 4 MKO on sides; 2 - 1/2" and 2 MKO on bottom
• Grounding: Raised ground emboss with 10" #12 AWG copper pigtail pre-assembled
• Mounting: Back mounting plate included for secure installation
• Weight: 29.38 lbs (packaged)
• Voltage Rating: Suitable for use up to 600V
• Compliance: UL and RoHS certified

Features

• Pre-assembled 10" copper pigtail with ground screw for reliable grounding
• Multiple MKO and CKO knockouts for flexible conduit and cable entry
• Back mounting plate enhances installation stability and support
• Raised ground emboss ensures secure grounding without additional bonding means
• Suitable for fixture and luminaire support up to 50 lbs
• Welded box design provides durability and long-term reliability
• Acceptable for use in 2-hour rated walls

Downloads and Links

• Orbit Industries Product Catalog (includes detailed specs and installation instructions)
• UL Certification Information
• Technical Drawing – 4SDB-BP (Back Mounting Plate)