They can be installed in conduits, ducts, and directly on the ground (exposed) as a connection between the electrical panel and the machine, as well as the main power source, following NEC regulations art. 336.10, and in Class I, Div. 2 classified areas according to NEC (National Electrical Code or NFPA 70) art. 336, 392, and 501. They are also classified as MTW cables in accordance with UL 1063 regulations and are suitable for installation in machinery even in the presence of oils and their mixtures (sporadic immersion; for different use, contact UNIKA Spa) and in dry and damp environments. They are additionally marked with recognized labels AWM UL/CSA style 2587 90°C 600V.