So a ground conductor will be required at least to be extended into a box to re establish ground continuity to the box and in the case of a circuit leaving a grounded box via knock out with reducing washers.
Round junction box cover with knockout.
Hubbell taymac 1 gang round plastic weatherproof electrical box cover.
Raco round floor box cover kit with 2 lift lids for use with 5511 floor box gray non metallic model 6299 11 85 piece.
The washers prevent the locknut from biting into the side of the metal box around the the knock out opening.
More options available.
Key hole allows for installation of cover without removing the box screws.
Raco manufactures innovative and high quality steel and nonmetallic electrical boxes covers fittings floor boxes and switches.
Add to list click to add item sigma electric round metal blank cover gray to your list.
Bud industries jb 3957 ko steel nema 1 sheet metal junction box with knockout and lift off screw cover 8 width x 8 height x 4 depth gray finish 4 5 out of 5 stars 55 17 50 17.
This historic brand is part of the commercial construction business of hubbell incorporated.
Knockout model 703 1 08 1 08.
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Flat round cover with 1 2 in.
Metal boxes must be grounded.
Compare click to add item sigma electric round metal blank cover gray to the compare list.
Fits raco model 110.
Carlon round plastic electrical box cover.
Junction box covers and mud rings are available in a variety of styles and sizes.
Sigma electric 1 gang rectangle metal weatherproof electrical box cover.
Shop menards where you will always save big money.
Octagon boxes when used as junction boxes.
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Used to close 3 1 2 in.