For use with single-function and multi-function testers BS1363 plug to 4mm connectors Dual Insulated Wear indicating lead The Socket & see PRO LEAD is a versatile, robust lead that can be used with a range of single and multifunction testers. Featuring 4mm shrouded connectors and BS1363, the PRO LEAD is ideal for testing of RCD and Zs in practically any installation. The lead is both dual insulated for durability and wear indicating, providing clear indication when the lead has become damaged or worn. Features BS1363 plug to 4mm connectors For use with single function and multi function testers Useful for safe, quick and easy testing of RCD and Zs High quality multi stranded flexible connector Dual insulated Wear indicating lead Shrouded 4mm connectors Robust construction with cable restraint Hard wearing silicone insulation What’s Included Mains Lead inc 3 x 4mm Connectors