
Sigma Engineered Solutions 1 -Gang Metal Weatherproof New work Box extender Electrical Box
How does this attach to the exsisting box?
1
Included installation instructions list: 1. Prepare extension for installation by inserting each screw through the corner holes of the extension and through corresponding holes in the sealing gasket. 2. Screw onto existing box. Make sure gasket is aligned for reliable seal. 3. Attach device to front surface of extension. 4. Attach cover to extension following cover installation instructions.
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