The Maypole MP31 12S Type 7 Pin Plastic Socket is a dependable replacement electrical socket designed for caravans and towing vehicles using the traditional 12V 12S supplementary 7-pin electrical system. Manufactured to ISO 3732, it provides a secure and reliable connection for the auxiliary electrical circuits commonly found on touring caravans, ensuring dependable performance whenever you're on the road.
Constructed with a durable plastic housing, the MP31 is built to withstand regular towing while remaining lightweight and easy to install. The socket features brass pins with screw terminal connections, providing excellent electrical conductivity and making wiring straightforward for both professional installers and competent DIY users.
Designed specifically for 12S supplementary caravan electrics, the MP31 supports auxiliary functions such as battery charging, refrigerator power supply, reversing lights and interior caravan services on compatible towing systems. Its precision design ensures compatibility with standard 12S plugs, making it an ideal replacement for worn or damaged sockets.
For optimum weather protection, the socket is designed to be fitted with the Maypole MP68B rear gasket (sold separately), helping to protect the rear wiring from moisture, road spray and dirt. Whether you're replacing existing towing electrics or installing a new caravan wiring system, the Maypole MP31 offers a reliable and cost-effective solution backed by one of the UK's most trusted towing accessory brands.
