Shop for Electrical at The Home Depot. This 600-Volt, grounded, jacketed cable wire is used primarily in residential wiring, including branch circuits for outlets, switches, etc. It may be installed in both exposed and concealed work in normally dry locations, and in air voids of masonary block or tile walls which are not subject to excessive moisture or dampness. It can be installed in locations with temperatures up to 90C, but with the ampacity limited to that of 60C conductors. The added circuit is for use primarily in residential wiring for branch circuits supplying outlets located in bedrooms and other areas.