Our TV Wire Hider is designed to be the same size and shape as your existing electrical wall plates to blend in for a clean look that completes your room. Included 6 in wall 14/2 NM-B stripped wire, and 6-foot extension cord are NEC code compliant. System supports 15 Amp circuit. Optional wire lengths available in 12, 18 or 24. (No proprietary power connectors as included in the PowerBridge DIY models). This kit fits standard 2X4 and 2X6 stud interior and exterior wall construction. Needs 3.25 inch wall depth measured from the front of the drywall to the back of the opening.