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BSI BS EN 61557-15 Draft BS EN 61557-15 Electrical safety in low voltage distribution systems up to 1000 V a. c. and 1 500 V d. c - Equipment for testing, measuring or monitoring of protective measures - Part 15: Functional safety requirements for insulation monitoring devices and for equipment for insulation fault location in IT systems.

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BSI BS EN 61557-15 Draft BS EN 61557-15 Electrical safety in low voltage distribution systems up to 1000 V a. c. and 1 500 V d. c - Equipment for testing, measuring or monitoring of protective measures - Part 15: Functional safety requirements for insulation monitoring devices and for equipment for insulation fault location in IT systems.

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