International Standards and Conformity Assessment for all electrical, electronic and related technologies
Insulation co-ordination for low-voltage equipment
IEC 60664-5 Ed. 3.0 Insulation coordination for equipment within low-voltage systems - Part 5: Comprehensive method for determining clearances and creepage distances equal to or less than 2 mm
PNW 109-129 Ed. 1.0 Insulation coordination for equipment within a voltage range between 1 000 V and 2 000 V A.C. or between 1 500 V and 3 000 V D.C.