Electrical cable primarily for welding equipment

H - Electricity – 01 – B

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H01B 7/04 (2006.01) B23K 9/32 (2006.01) H01B 7/18 (2006.01) H01B 9/00 (2006.01) H01B 17/58 (2006.01)

Patent

CA 1304795

ABSTRACT OF THE DISCLOSURE An electrical cable includes an elongated conduit with a plurality of electrical conductors therein. Each of the conductors is provided with a perforated polyurethane sheath thus providing electrical insulation among the electrical conductors. The conduit is also formed of polyurethane and is a double walled conduit. The exterior surface of the conduit is provided with longitudinal grooves or channels and the interior wall of the conduit is provided with longitudinal grooves or channels. These channels facilitate flexing of the cable. Coolant may be provided interiorly of the group of conductors and between the conductors and the inner wall of the conduit. The perforations in the polyurethane sheaths facilitate cooling. A metal collar is crimped at the end of the cable to prevent leakage of the coolant fluid and for attaching the conduit to a terminal connector. The cable is particularly useful in conjunction with a welding device.

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