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Homepage>BS Standards>17 METROLOGY AND MEASUREMENT. PHYSICAL PHENOMENA>17.220 Electricity. Magnetism. Electrical and magnetic measurements>17.220.20 Measurement of electrical and magnetic quantities>21/30438009 DC BS EN IEC 61557-9. 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 9. Equipment for insulation fault location in IT systems
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21/30438009 DC BS EN IEC 61557-9. 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 9. Equipment for insulation fault location in IT systems

21/30438009 DC

BS EN IEC 61557-9. 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 9. Equipment for insulation fault location in IT systems

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Standard number:21/30438009 DC
Pages:33
Released:2021-05-07
Status:Draft for Comment
DESCRIPTION

21/30438009 DC


This standard 21/30438009 DC BS EN IEC 61557-9. 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 is classified in these ICS categories:
  • 29.080.01 Electrical insulation in general
  • 17.220.20 Measurement of electrical and magnetic quantities
  • 25.040.40 Industrial process measurement and control

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