Information technologies. Telecommunications management network. Enhanced Telecom Operations Map (eTOM). Process decompositions and descriptions. Operations. Service management and operations. eTOM level 3 processes. Process 1.1.2.4 - Service quality management
Low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Electrical safety. Equipment for testing, measuring or monitoring of protective measures. Part 5. Resistance to earth