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 KitsDeadweight Tester - Calibratio...Learn MoreView Deadweight ItemsDeadweight tester options including pneumatic and hydraulic. We offer Ametek, Ashcroft, & Fluke. Deadweight tester calibration, rental, & repair.Deadweight Cal & RepairBattery Powered Tool RepairLearn MoreShop Battery Powered ToolsJM Test Systems is dedicated to providing the highest quality service on your battery powered tool repair needs. Fast turn around time & experienced techs.Battery 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.