Single-gang metal pattress box, without knock-outs, suitable for use with Click metal clad accessories. Conventional metal clad surface boxes have semi-perforated knock-outs which can be removed or dislodged by vandals, or simply by heavy usage, creating a safety hazard. These plain boxes are designed to be drilled as required, leaving no vulnerable knock-outs.
This type of box is required by wiring regulations for certain environments and establishments