VDE 0700-110-100-2019 Household and similar electrical appliances - Safety - Part 2-110: Particular requirements for commercial microwave appliances with insertion or contacting applicators (IEC 61B/613/CDV:2018 + IEC 61B/614/CDV:2018); Text in German and English
VDE 0413-7-2018 Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing@ measuring or monitoring of protective measures - Part 7: Phase sequence (IEC 85/613/CD:2017)