| Features / Parameters | Specifications |
|---|---|
| Brand & Model | Walton W3GOB |
| Product Type | 3 Gang Surface Mounting Back / Outer Box |
| Product Dimensions | 258 mm x 86 mm x 35 mm |
| Primary Material | High-Grade Rigid (Hard) Polyvinyl Chloride (uPVC) |
| Safety Classification | Fire-Resistant & High-Dielectric Insulating Material |
| Hardware Inserts | Heavy-Duty Solid Brass Knurled Nuts (High Torque Capacity) |
| Environmental Resistance | Waterproof, Moisture-Proof & Weather-Resistant |
| Biological Safety | Odorless & Immune to Biotic / Termite / Rodent Attack |
| Surface Finish | Fade-Resistant & Anti-Yellowing Smooth Protective Casing |
| Installation Compatibility | Universal Standard 258x86mm Triple-Gang Surface Switches & Sockets |
Why Should You Order & FAQ
When mounting extended triple-gang switch clusters or high-density socket banks, a surface box must maintain total flatness across its full 258 mm span. Generic or unbranded 3-gang plastic boxes often use thin molding that flexes, bows, or cracks when fastened onto uneven brick or concrete walls. This deformation misaligns inner terminals, creates gaps behind the faceplate, and increases the risk of wire pinch points or micro-arcing. Furthermore, cheap plastic boxes rely on plastic screw threads that easily strip during installation, leaving heavy switch plates loose and hazardous. The Walton W3GOB 3 Gang Outer Box eliminates these wide-span mounting vulnerabilities. Crafted from heavy-duty rigid (hard) PVC with reinforced side walls and embedded brass knurled nuts, it handles high screw torque with ease while maintaining a flat, rigid connection against the wall. Combined with certified fire-retardant safety, resistance to water and pests, and a spacious 35 mm internal depth for organized wire loops, genuine Walton back boxes deliver long-term performance for demanding residential and commercial installations.
Frequently Asked Questions (FAQ):
What devices fit inside the Walton W3GOB 3 Gang Outer Box?
The W3GOB is built to the standard 258 mm x 86 mm triple-gang footprint. It fits standard 3-gang surface switch plates, multi-socket combination plates, fan regulators, and modular control faceplates seamlessly.
Why are brass knurled nuts especially important for a 3-gang box?
Extended 3-gang faceplates cover more surface area and require multiple screw securing points. Solid brass knurled nuts are permanently anchored inside the rigid PVC casing, allowing installers to apply maximum torque without stripping the threads, ensuring a tight, flush mount across the entire faceplate.
Can the W3GOB box withstand humid or high-moisture environments?
Yes. The high-density rigid PVC casing is completely waterproof and resistant to moisture, aqueous solutions, rust, and humidity, making it suitable for utility areas, kitchens, commercial workshops, and basements.
Does the material degrade or turn yellow over time?
No. The Walton W3GOB features anti-yellowing and weather-resistant additives within its PVC compound, preventing discoloration, fading, or embrittlement even after long-term exposure to ambient light and thermal changes.








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