Wiska Earthing Nut Brass supplied the grub screw, pan head earthing screw, and locking washer. It is tested to 10.4.2 of BS EN 50262. Each nut has a plain side with raised teeth on the opposite side that bite into the box when tightened.
Earthing accessory
Technical specification
Waist Sizeab22cc38gwTypeEarthing CablePack Quantity4MaterialBrassConnector TypeEarthing NutColourBrassSupplier Part NumberEN25Range DescriptionEarthingBrand NameWiska