Electrical EMT Insulating Bushings 3-1/2" - EMT Insulating Bushing protect wires and cables.EMT Insulating Bushings 3-1/2" features include: EMT Insulating Bushings protect cables from abrasion Fast Easy press-on installation Holds tight as cables are pulled Less expensive alternative to costly fittings when used just for wire Examples: Power, Cable TV, computer datalines, telephone/modem, audio/visual cables, alarm and security systems Meets NEC Article 300-15C requirements EMT insulating bushings are listed for use in environmental air handling spaces per 2005 NEC code requirements 300-22C Polyethylene rated at 194deg;F(90deg;C) Order Qty of 1 = 1 PieceBelow is more info on our EMT Insulating Bushings 3-1/2"