IEC TS 62993 : 2017 COR 1 2018
IEC TS 62993 : 2017 COR 1 2018
GUIDANCE FOR DETERMINATION OF CLEARANCES, CREEPAGE DISTANCES AND REQUIREMENTS FOR SOLID INSULATION FOR EQUIPMENT WITH A RATED VOLTAGE ABOVE 1000 V AC AND 1500 V DC, AND UP TO 2000 V AC AND 3000 V DC
International Electrotechnical Committee