86*86 Fireproof Wall Mount Internal Junction box for 3*3 EU UK Switch Socket Wallpad Adjustable Concrete Wiring Cassette


After joining the boxes together, you can install the double, 3x, 4x, 5x plates directly on them! Very easy and convinient!

Movable Nuts: Easy to Adjust

Double Nuts each side, more Stable & Adjustable

Stable Structural Design

Can bear a pressure greater than 100kg without damage

Anti-corrosion& Flame Risistant PVC

Fireproof, Sturdy construction for safe wiring