Sigma 143854-75BR Five Hole 3/4 in. All-Weather Outlet Box
Installation and safety instructions for the Sigma 143854-75BR bronze all-weather outlet box, featuring five 3/4-inch holes for versatile electrical applications.
Table of contents
Product Overview
The Sigma 143854-75BR is a durable, all-weather outlet box designed for outdoor or wet location electrical installations. This unit features five 3/4-inch holes, providing flexibility for various wiring configurations. The package includes the necessary mounting hardware, including plugs, a ground screw, and assembly screws, ensuring a complete setup for your electrical project.

Safety Information
Warning: Improper wiring of any electrical device can cause serious injury or death. This product must be installed by a certified electrician or other qualified person in accordance with the National Electrical Code and all applicable local codes and standards. Always turn off the power at the main breaker before beginning any installation work.
Installation Instructions
Follow these steps to ensure a safe and compliant installation:
- Attach the mounting lugs to the box using the provided screws and secure the assembly to the wall.
- Pull the supply wires into the box, ensuring they are secured with an appropriate fitting.
- Connect the ground wire to the box using the provided green ground screw.
- Wire and mount your electrical device(s) according to the specific manufacturer's instructions.
- Close any unused holes using the included plugs and apply a silicone sealing compound to ensure the box remains weather-tight for wet location installations.
- Mount the cover to the outlet box using the provided gaskets to maintain the integrity of the enclosure.
Maintenance and Compliance
This outlet box is UL listed and CSA certified, meeting rigorous safety standards for electrical enclosures. To maintain the weather-resistant seal, periodically inspect the gaskets and silicone sealant for signs of wear or degradation. If the box or its components show signs of damage, they should be replaced immediately to prevent moisture ingress and potential electrical hazards.
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