What type of wire can be used inside walls and ceilings to get power to my HDTV?

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What type of wire can be used inside walls and ceilings to get power to my HDTV?

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All A/C power run through or concealed within the walls or ceilings requires use of proper code compliant in-wall rated building electrical wire, manufactured and listed by UL or CSA to meet Code compliancy. Most areas of the US and Canada permit NM-type, well known brand ROMEX, for in-wall electrical power wire. Some areas require MC-type, metal clad/conduit wire. Proper agency rated electrical connection junction boxes, J-Boxes, are also required for all wire connections and must also provide correct internal cubic inch capacity. Can an extension cord be run inside of a plastic PVC tube or metal conduit inside the wall? No The Canadian Code and NEC specifically state extension cords shall not be concealed within walls. This includes inside conduits within walls. Can an extension cord be spliced with wire-nuts to the ROMEX be used? No The Canadian Code and NEC specifically state extension cords shall not be used as a substitute for permanent electrical premise wiring. This method, is