4" Square Boxes & Extensions
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4" Square Boxes & Extensions
Material:Galvanized Steel
Application:These 4" square boxes with conduit knockouts are installed in walls or ceilings for lighting fixtures, switches, receptacles or other outlet devices. Square boxes are used to bring power to a number of electrical devices where mul-tiple conductor runs are split in two or more directions.
Advantages: 4S Boxes can be surface or flush mounted when multidirectional conduit runs are necessary.
Field Names: 4S Box, 1900 box, 1900 electrical box, 1900 junction box, conduit box, J-box, concentric box, conduit junction box, outlet box, drywall mud box, standard 1900 box, square conduit box.
UL File No:E526989(ZQ52141-1/2 & ZQ187 not UL Listed)