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36 PK Steel City 53151 New 4" Square Steel Box Extension Ring, Open Box
36 PK Steel City 53151 New 4" Square Steel Box Extension Ring, Open Box
Regular price
$105.00 USD
Regular price
Sale price
$105.00 USD
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36 PK Steel City 53151 New 4" Square Steel Box Extension Ring, Open Box
The Steel City 53151 is a new 4-inch square steel box extension ring designed to expand the capacity of standard electrical outlet boxes. Made from pre-galvanized steel, it offers excellent corrosion resistance and durability for long-term use. With a depth of 1-1/2 inches, it adds 21 cubic inches of space to existing boxes. The extension ring features an open box design for easy wiring access and installation. It includes 17 knockouts—11 for 1/2-inch and 6 for 3/4-inch conduit—positioned on the sides, ends, and back for versatile conduit entry. Ideal for new or retrofit commercial and residential electrical projects requiring additional wire space.
Listed by: Caitlin (Sales Team)
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7200 Fair Oaks Blvd Suite 120
Carmichael CA 95608
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