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. Functional safety requirements for insulation monitoring devices in IT systems and equipment for insulation fault location in IT systems— 80 стр.
Industrial-process measurement, control and automation. Evaluation of system properties for the purpose of system assessment. Terminology and basic concepts— 52 стр.