Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring or monitoring of protective measures - General requirements Ingestion-build-224916 Reliability engineers

Reliability engineers

8 Calculation and expression of results

Why should you use BS 6891 - Gas installation pipework

This International Standard also covers all tests

Number of groups of holes and number of holes in a group

Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring or monitoring of protective measures - General requirements Ingestion-build-224916 Reliability engineers1 Scope This part of IEC 61557 specifies the general requirements for measuring and monitoring equipment for testing the electrical safety in low voltage distribution systems with nominal voltages up to 1 000 V a. c. and 1 500 V d. c. When measuring equipment or measuring installations involve measurement tasks of various measuring equipment covered by this series of standards, then the part of this series of standards relevant to each of the