This IP66 RCD fused connection unit from British General is supplied in a weatherproof mounting box and ideal for outdoor use. This unit will continuously monitor the supply to any electrical appliance hardwired to it, and cuts the power if an earth current fault is detected, protecting against the risk of a fatal electric shock. The clear flexible cover allows you to view the power status and operate switches without opening the unit. BG Nexus Storm external 13A switched fused connection unit with RCD protection. IP66 rated it has neon power indicator and a hinged lockable cover.