The 12V Normal (N) and Supplementary (S) 7 Pin connection system has been used in the UK for many years. Whilst being gradually superseded by the 13 Pin system, this traditional system still remains widely used.
The 12N system connects all lighting functions, with the exception of reverse, which is part of the 12S system. The 12S system also connects a caravan’s charging circuits.
All our 12N plugs and sockets conform to ISO 1724 and our 12S plugs and sockets conform to ISO 3732.
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