MW Lighting MOBR-1G-20 1 Gang Old-Work Electrical Box 20 cu in

Product Overview

The MW Lighting MOBR-1G-20 is a 1‑gang old‑work (remodel) electrical box designed for device mounting and wiring junctions. It provides 20 cubic inches of internal volume for conductor and device fill.

ETL listed, the MOBR-1G-20 is intended for rough‑in work in residential and commercial remodeling or retrofit applications where a wall opening is installed after finished surfaces are in place.

Key Features

• 1‑gang old‑work / remodel box for single devices
• 20 cu in internal volume for conductor and device fill
• Designed for device mounting and wiring junctions
• ETL listed

What this box is for

The MOBR-1G-20 is an old‑work (remodel) electrical box intended for rough‑in of a single device or for use as a junction point. It is designed to be installed where the finished wall surface already exists and a retrofit opening is made.

• Single‑gang capacity for switches, receptacles or compatible devices
• Used for device mounting and containing splices/junctions

Volume and conductor fill

This model provides 20 cubic inches of internal volume. Use the box volume to verify conductor and device fill calculations according to the applicable electrical code before installation.

• 20 cu in box volume

Where to use this box

The MOBR-1G-20 is suitable for remodel and retrofit work in residential and commercial settings where an old‑work mounting style is required. It supports standard device rough‑in needs in finished walls.

• Residential and commercial remodels
• Device and junction‑point rough‑in

Certifications and compliance

The product is ETL listed. Confirm local code requirements and the necessary listings for your project.

• ETL listed

Installation and selection notes

Confirm the 20 cu in volume meets conductor fill requirements for the number and gauge of conductors and devices you plan to install. Verify the old‑work mounting style suits the wall type and finished surface prior to ordering.

• Verify box volume against conductor/device fill calculations
• Confirm mounting style (old‑work) matches wall construction

Model and ordering

Order using the exact SKU to ensure correct product selection. This page describes the single SKU for this product handle.

• Model / SKU: MOBR-1G-20
• Brand: MW Lighting
• Product type: 1‑gang old‑work electrical box

Before You Order

Confirm the MOBR-1G-20 model number and that a 1‑gang, 20 cu in old‑work box is appropriate for your device and conductor fill needs before ordering.

• Verify conductor and device fill calculations against 20 cu in volume
• Confirm old‑work mounting suits the finished wall material and installation method
• Confirm SKU MOBR-1G-20 when placing your order

Ordering from Lumera Electric

Check the purchasing options shown on the Lumera Electric product page for MW Lighting MOBR-1G-20 1 Gang Old-Work Electrical Box 20 cu in. For project quantities or additional ordering requirements, use Request a Quote and provide the required quantity.