Use to reduce the size of the conduit hole knockout opening in a steel outlet box or other metal enclosure. Must use one inside the enclosure opening and one on the outside. UL listed and CSA certified.Use to reduce the size of the conduit hole knockout opening in a steel outlet box or other metal enclosure. Must use one inside the enclosure opening and one on the outside. UL listed and CSA certified. See More
Use to reduce the size of the conduit hole knockout opening in a steel outlet box or other metal enclosure. Must use one inside the enclosure opening and one on the outside. UL listed and CSA certified.
