RSA490 The Ring RSA490 is a 12N and 12S sockets, suitable for connection to trailers/caravans with 12N and 12S plugs. Pre-wired with 2 metres of 12N and 12S cable, and mounted on a mounting plate for quick and easy fitment to the towing vehicle, it also includes an eighth connection for use as a fog cut out facility when towing a caravan. Comes complete with rubber grommets and connectors.
