Orbit 3G Masonry Box 3-1/2 in Deep MB3

Product Overview

The Orbit electrical box is an electrical supply product used to support junction, device mounting, enclosure, and rough-in layouts.

It supports 3-1/2 in box installation requirements using Orbit catalog number MB3 for purchasing, receiving, and inventory control.

Use this item only after confirming box size, depth, knockouts, cover compatibility, device fit, box fill, and project layout.

Key Features

• Depth: 3-1/2 in
• Specific product type: Electrical Box
• Orbit catalog identifier: MB3
• Supports electrical box, enclosure, cover, or mounting selection where the listed dimensions match the job
• Useful for rough-in, replacement, maintenance, and jobsite stocking

Technical Specifications

Applications

• junction and device box installations
• electrical rough-in work
• commercial electrical rooms
• replacement projects
• facility maintenance
• contractor stock

Compatibility and Installation Notes

Confirm box dimensions, knockout pattern, cover fit, device compatibility, box fill, mounting method, and local code requirements before installation. Match the catalog number against project drawings or approved submittals before ordering.

Buying Information

Lumera Electric lists contractor-ready product data so electricians, maintenance teams, and purchasing departments can compare the correct SKU, technical values, and application fit before ordering.