Covers- Steel

[mstrlucky74]

Do these mount directly to the box or is a plaster ring still needed?

Thanks.

http://www.hubbell-rtb.com/p-30-4-1116-in-square-exposed-work

 

[don_resqcapt19]

They are for exposed work and the mount directly to the box. See 250.146(A) for the bonding requirements when using that type of cover.