First supplement - Control switches (low voltage switching devices for
control and auxiliary circuits, including contactor relays) - Part
2:Special requirements for specific types of control switches
Short-circuit current calculation in three-phase a.c. systems - Part 1:
Factors for the calculation of short-circuit currents in three-phase
a.c. systems according to IEC 909
Household and similar electrical appliances - Safety - Part 2-40:
Particular requirements for electrical heat pumps, air-conditioners and dehumidifiers
Rotating electrical machines - Part 18: Functional evaluation of
insulation systems - Section 32: Test procedures for form-wound windings
- Electrical evaluation of insulation systems used in machines up to and
including 50 MVA and 15 kV