Lamps | Dimmable: Non-Dimmable ; Operating Temp: -20c (-4f) to a Maximum of +45c (+113f) ; Nsf Approved: Yes - Approved | Features: Comfort Grip Handles, Aids in Prevention of Hand Slippage, Reduces Fatigue During Continuous Use, Heat Treated Steel Jaws Reduces Jaw Buckling and Misalignment Under Heavy Loading, Approximately 9000 Crimp Cycle Life, Lasts Longer Than Imitations | Use Through Knockout to Connect Box to Conduit Coupling; Use With a Locknut to Connect Two Boxes Side by Side or Back to Back; Use With a Locknut to Connect Fixture Housings in Continuous Runs; Rigid Conduit Threads (Nps)Furbay Electric Supp