Arc 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 KitsMechanical Tool RepairLearn More Mechanical Tool Repair Chain Hoist Repair, Cutters, Crimpers, & More JM Test Systems is dedicated to providing the...Mechanical Tool Repair QuoteHot SticksLearn MoreJM stocks Salisbury and Hastings electrical hot stick items. JM can rent, repair, wax, test, and inspect your high voltage shotgun + telescopic hot stick.Custom 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.