The NESCO Model 1670 Insulating Bushing is engineered for professional electricians and contractors who demand reliable, code-compliant protection on every pull. Designed to fit 4" EMT conduit, this bushing shields wire insulation from sharp conduit edges at panel knockouts, junction boxes, and enclosure entries — reducing the risk of insulation damage and costly callbacks. Whether you're roughing in a commercial panel room, wiring an industrial enclosure, or finishing a large residential service, the Model 1670 delivers the durability and fit that keeps your work inspection-ready and your crew moving.

Specifications

Brand NESCO
Model 1670
Conduit Type EMT (Electrical Metallic Tubing)
Trade Size 4"
Function Insulating bushing to protect wire insulation at conduit terminations
Product Type EMT Fitting
Weight 1.15 lbs