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Electrical Junction Boxes
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4" Square Concrete Boxes
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3-1/2" Deep with Conduit Knockouts
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3-1/2" Deep with Conduit Knockouts
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Application:
These electrical junction boxes are installed in
walls and ceilings where extra depth is needed for speakers,
strobes, signals and other electrical and electronic notifications/
alerts. Speaker (SPKR) boxes have extra-long external
mounting tabs allowing the box to be nailed or screwed onto
wood or metal concrete forms.
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Advantages::
Garvin Industries’ labor-saving design eliminates
the need to awkwardly install boxes and extension
rings to accommodate deep devices.
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Field Names::
4S Box, 1900 box, 1900 electrical box, 1900
junction box, extra-deep 1900 box, speaker box, conduit box,
J-box, concentric box, conduit junction box, outlet box, drywall
mud box, deep device box, signal box, 4” square box, 4”
square deep box, 4” square junction box.
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Click on links below to view more details about the products.
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3 Styles Available Below
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