Description

The Mains Lead 3-Wire for Multi-Function Tester (90730003) is a purpose-made, correctly wired mains connection lead for use with professional multi-function installation testers. The three-wire format (Line, Neutral, Earth) ensures correct and safe connection of the tester to the supply under test for accurate Earth Fault Loop Impedance (ZLOOP), Prospective Short-Circuit Current (PSCC), and RCD testing in accordance with BS 7671 requirements.
Manufactured with certified, correctly rated insulation and plug/socket terminations, the lead provides a safe, reliable test connection that eliminates the risk of poorly terminated improvised connections. The lead is specifically designed to ensure correct polarity and earth continuity in the test circuit, which is essential for accurate ZLOOP readings.
For electricians performing BS 7671 17th and 18th Edition inspection and test work, having a correctly rated, purpose-made mains lead for their multi-function tester is both a professional and safety requirement. The 90730003 provides this essential accessory for the relevant tester models.