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Steel City 2-Gang 4 in. 21 cu. in. New Work Metal Square Electrical Box Extension Ring (Case of 20) 531511234-20R
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ReceptXtenders Receptacle Outlet Box Extender, Electrical Outlet Extender for Electrical Box and Electrical Outlet Switches, UL Listed – 1/2" Two Gang 5-Pack - - Amazon.com
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Arlington BE1-2 Electrical Outlet Box Extender, 1-Gang, White, 2-Pack, Used for extending electrical boxes up to 1-1/2-inches - Walmart.com
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ReceptXtenders Receptacle Outlet Box Extender, Electrical Outlet Extender for Electrical Box and Electrical Outlet Switches, UL Listed – 1/4" Single Gang 5-Pack - - Amazon.com
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3/4" ReceptXtenders Single Gang, Receptacle Outlet Box Extender (1 pc.) with screws UL Listed, Mud Ring - Walmart.com
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