IEC 62237 pdf download Live working – Insulating hoses with fittings for use with hydraulic tools and equipment 1 Scope This International Standard is applicable to mobile insulating hoses with fittings used withhydraulic tools and equipment for live working at nominal voltages exceeding 1 kV r.m.s. atpower frequency. The use under D.C. conditions is not covered by this standard. Insulating...