RCD protection for whole unit. Each 16amp socket has its own 16amp MCB. Few scuffs and marks on box. Screw missing to hold inspection window shut. Holds near enough shut without screw. One plastic screw missing to close unit. But box is held shut ok with 3 and should not cause a problem. Tested and working fine. The item “32amp-4x16amp Sockets. 230V Distribution/Distro Unit. Temporary/Event Power” is in sale since Tuesday, April 14, 2020. This item is in the category “Sound & Vision\Performance & DJ Equipment\Stage Lighting & Effects\Other Stage Lighting & Effects”. The seller is “jj.electrical24″ and is located in Holywell. This item can be shipped to United Kingdom.