Safety of household and similar electrical appliances. Part 2-17. Particular requirements for blankets, pads, clothing and similar flexible heating appliances
Occupational safety standards system. Respiratory protective devices. Methods of test. Part 1. Determination of inward leakage and total inward leakage
United power system and isolated power systems. Relay protection and automation. Directional carrier-current protection of power lines 110–220 kV. Testing