Insulation coordination for equipment within low-voltage systems - Part 3: Use of coating, potting or moulding for protection against pollution— 50 стр.
Connecting devices - Electrical copper conductors - Safety requirements for screw-type and screwless-type clamping units - Part 1: General requirements and particular requirements for clamping units for conductors from 0,2 mm2 up to 35 mm2 (included)— 55 стр.