Electrical safety in low voltage distribution systems up to 1000V AC and 1500V DC—Equipment for testing, measuring or monitoring of protective measures—Part 12: Power metering and monitoring devices (PMD)
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c.—Equipment for testing, measuring or monitoring of protective measures—Part 2: Insulation resistance