Martindale Electric, founded in 1928, incorporates Edgcumbe Instruments Metrohm® low voltage products and the John Drummond range of test lamps. British owned company, based in Watford, Hertfordshire.
Their product range helps electricians and maintenance engineers implement portable appliance testing, check fixed wiring for 18th Edition and Part P testing, safely prove dead, and measure everything from light and sound levels to microwave leakage and power consumption.