Test Equipment RentalLearn MoreThe JM Test Equipment Rental division can rent/lease/rent-to-own all instrumentation, electrical & mechanical test equipment. Fluke, Doble, Hart & moreArc Flash SuitLearn MoreArc Flash Suit Clean & RepairNew arc flash suit kits available. JM's electrical safety lab provides arc flash suit inspection, cleaning and repair on 8 cal/cm² to 100 cal arc flash suitNew Arc Flash Suit KitsGrounding CableLearn MoreBuild a Custom GroundFind grounding cable cluster parts, create new & custom configurations, inspect, clean & test your existing grounds inventory – all with JM Test SystemsCustom Grounding Cable BuilderLearn MoreDetermine which grounding components you will need. Select your cable clamps on single or cluster assemblies. Then select your wire color, size, and length.