Cerro’s building wire is created primarily for use in commercial and industrial wiring as specified in the NEC, including use in conduit, and cable trays for service, feeders and branch circuits as well as machine-tool and appliance wiring. This wire may be installed in both exposed and concealed work in dry or wet locations. Insulated with PVC, this wire resists oil, gas, and UV rays for long-lasting performance. CSA and UL listed for safety. Made in the USA.