All dust collection systems build up static electricity, and if not grounded, that electricity becomes a hazard that could start a fire. Our grounding kit provides everything you need to ground a dust collection system, including directions for installation. A large system may need more than one kit, so keep plenty of these on hand. This safety accessory is essential to any complete dust collection assortment.Specifications:* 50 ft. Grounding Wire * Wire Nuts Included