Multi-part Document
BS EN 60664 - Insulation coordination for equipment within low-voltage systems

This is a multi-part document divided into the following parts:

• Part 1 Insulation coordination for equipment within low-voltage systems. Principles, requirements and tests
• Part 3 Insulation coordination for equipment within low-voltage systems. Use of coating, potting or moulding for protection against pollution
• Part 4 Insulation coordination for equipment within low-voltage systems. Consideration of high-frequency voltage stress
• Part 5 Insulation coordination for equipment within low-voltage systems. A comprehensive method for determining clearances and creepage distances equal to or less than 2 mm