Install with fingertip pressure (no tool required).
Multiple nominal sizes fit .500" (12,7 mm) to 1.00" (25,4 mm) true size mounting holes.
Three trade sizes fit 1/2" to 1" knock-out holes.
Lock firmly in boxes from .03" (0,8 mm) to .13" (3,2 mm) thick.
True sizes are UL recognized under Underwriters' Laboratories File E51579 and CSA certified by Canadian Standard Association File 008919C.
Trade sizes are UL listed under Underwriters' Laboratories File E51579 and CSA certified by Canadian Standard Association File 081067C. Now certified for NEMA 4 and 4X applications.
