Knightsbridge: GSE225, 2G 25mm Galvanised Steel Extension Box, Adjustable Lug, 1.0mm Thick, Multiple Knock Outs
About this product
Introducing the 2G 25mm Galvanised Steel Extension Box, designed for extending standard flush wall boxes. This product offers:
- 25mm depth with one adjustable lug
- Manufactured from robust 1.0mm² thick galvanised steel (+/- 1-2%)
- Multiple 20mm knock outs for versatile installation
- Ideal for accommodating deeper wiring accessories
Perfect for both DIY and commercial contractor use. Complies with UK/EU safety standards. Ensure proper installation for safety and efficiency.
Specifications
Dimensions
Wiring-accessories
Specifications
Construction | Steel |
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Dimensions
Width | 132 mm |
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Height | 72 mm |
Recessed Depth | 25 mm |
Wiring-accessories
Earth Terminal | Yes |
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25mm Galvanised Steel Extension Box (Sold in packs of 5) features

Knightsbridge: GSE225, 2G 25mm Galvanised Steel Extension Box, Adjustable Lug, 1.0mm Thick, Multiple Knock Outs