Installation Guide for Sigma 14340BR Two Gang Outlet Box Cover
Quick installation guide for the Sigma 14340BR Two Gang All-weather Outlet Box Cover. Learn how to safely mount the cover and gasket to your electrical box.
Table of contents
Quick Installation Guide
This document provides essential safety and installation instructions for the Sigma 14340BR Two Gang Outlet Box Cover. Always ensure the power is disconnected before beginning any electrical work.
Product Overview
The Sigma 14340BR is an all-weather, two-gang blank cover designed for electrical outlet boxes. The package includes the cover, a gasket, and the necessary mounting screws.
Installation Instructions

- Turn off power: Before starting, ensure the power to the electrical box is completely turned off at the circuit breaker.
- Prepare the box: Ensure the outlet box is clean and ready for the cover.
- Mounting: Place the gasket against the outlet box, align the cover, and secure both using the provided screws.
Safety Warnings
- Certified Installation: This device should only be installed by a certified electrician or other qualified person.
- Compliance: Installation must be performed in accordance with the National Electrical Code and all applicable local codes and standards.
- Risk of Injury: Improper wiring of any electrical device can cause serious injury or death.
Practical help
Common problems
Turn off power at the breaker before starting installation to prevent injury or death.
Ensure installation complies with the National Electrical Code and all applicable local codes and standards.
Before use
- Verify power is turned off at the source
- Ensure you have the provided screws and gasket
- Confirm the outlet box is compatible with a two-gang cover
Manual page author
Emily Carter
User documentation editor
Prepares concise manual descriptions and highlights the most useful setup, operation, and maintenance information for readers.