BS 7822-2.1:1999 PDF

Published Date: 02/15/1999

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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-Resistance of earth connection and equipotential bonding

Published Date: 12/01/1993

Published Date: 12/01/2000

Published Date: 10/01/1998