Electricity metering data exchange—The DLMS/COSEM suite—Part 91: Communication profile using web-services to access a DLMS/COSEM server via a COSEM Access Service (CAS)
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
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 1: General requirements