Designed for durability and compliance, this 3 Gang 35mm Galvanised Steel Pattress Back Box is ideal for housing multiple wiring accessories in one streamlined installation. Suitable for both domestic and commercial applications, it provides a robust mounting solution for three 1-gang (86 x 86mm) electrical faceplates.
Heavy-Duty Galvanised Steel Construction - Made from 1mm thick galvanised steel for excellent durability and corrosion resistance.
Triple-Gang Capacity - Accommodates three standard-size 1-gang plates (86 x 86mm) side by side – ideal for complex or multi-functional electrical setups.
35mm Recessed Depth - Provides ample space for wiring connections and secure fitting of accessories.
Built-In Earth Terminals - Includes integrated earth terminals for safe and compliant electrical connections.
Pre-Stamped 20mm Knockouts - Multiple 20mm knockouts allow flexible conduit and cable entries.
Secure Fixing Points - Comes with 6 fixed mounting lugs to ensure a firm and stable installation.
Material: Galvanised Steel (1mm thickness ±1%)
Depth: 35mm recessed
Dimensions:
Height: 73mm
Width: 244mm
Mounting Lugs: 6 fixed
Knockouts: 20mm (pre-stamped)
Compliance: EN 60670 certified
Compatibility: Fits 3 x 1G standard 86mm x 86mm faceplates
Packaging: Shrink-wrapped Knightsbridge tray
1x 3 Gang 35mm Galvanised Steel Pattress Back Box
Electricians and trade professionals
Domestic and commercial wiring projects
Wall-mounted socket and switch installations requiring grouped outlets