This 13A Fused Spur Unit by Knightsbridge is built to last featuring a hefty polycarbonate outer case 20mm cable ports a wider build with thick over-moulded strain reliefs (makes it ideal for most plugs) IP66/IK06 rated and BS 1363-4 certified. This outdoor socket also indicates its on/off status without the need to open the lid however if you do the lid holds open.