Recommendations for the classification of materials for the insulation of electrical machinery and apparatus in relation to their thermal stability in service— 31 стр.
Basic and safety principles for man-machine interface, marking and identification. Identification of equipment terminals, conductor terminations and conductors— 32 стр.
Insulation coordination for equipment within low-voltage systems - Part 3: Use of coating, potting or moulding for protection against pollution— 47 стр.