The Drummond MTL20B Test Lamp is a professional voltage tester designed for UK electricians, maintenance engineers and service technicians who need a safe and reliable way to identify live circuits up to 690 V AC/DC.
With dual-colour LED indication including a distinctive blue LED for neutral detection, the MTL20B delivers clear, instant feedback for voltage presence on single or three-phase systems. Built to meet GS38 safety standards, it’s an ideal tool for safe isolation and verification testing across industrial, commercial and domestic sites.
How does the MTL20B make testing safer and faster?
The MTL20B combines clear visual indication with robust construction, giving electricians confidence when working on live systems. The integrated resistor network limits current to safe levels while ensuring reliable voltage indication even in high-energy environments.
Order today to enjoy free delivery, expert support and our 90-day satisfaction guarantee. Need advice? Our team is here to assist you.
Why choose Instrotech for your electrical test equipment?
With over 40 years’ experience supporting UK electricians, technicians and engineers, Instrotech is your trusted partner for quality tools and expert service. When you purchase from us, you benefit from:
Free UK shipping on all orders
Access to our knowledgeable technical support team
Available calibration services to maintain safety compliance
A 90-day money-back guarantee for complete peace of mind
We’re committed to helping you work safely and efficiently with industry-leading products and ongoing support.
