17.220.20 Measurement of electrical and magnetic quantities

Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 12: Power metering and monitoring devices (PMD)

Elektrodrošība zemsprieguma sadales sistēmās maiņstrāvai līdz 1000 V un līdzstrāvai līdz 1500 V. Aizsarglīdzekļu testēšanas, mērīšanas un pārraudzīšanas aparatūra. 13.daļa: Rokā turamas un ar rokām manipulējamas mērknaibles un sensori noplūdes strāvu mērīšanai elektriskajos sadales tīklos (IEC 61557-13:2023)

Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 14: Equipment for testing the safety of electrical equipment of machinery

Zemsprieguma sadales sistēmu ar maiņstrāvu līdz 1000 V un līdzstrāvu līdz 1500 V elektrodrošība. Aizsarglīdzekļu testēšanas, mērīšanas un pārraudzīšanas aparatūra. 16.daļa: Iekārtas elektroaprīkojuma un/vai elektriskās medicīnas aparatūras aizsarglīdzekļu efektivitātes testēšanai (IEC 61557-16:2023)

Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 17: Non-contact AC voltage indicators

Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - 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 AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 3: Loop impedance

Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 4: Resistance of earth connection and equipotential bonding

Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 5: Resistance to earth

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 6: Effectiveness of residual current devices (RCD) in TT, TN and IT systems

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 7: Phase sequence

Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 7: Phase sequence