Services For The Metering Unit (0.22 Kv/ 0.38 Kv) (Single -Phase Or Three -Phase) (Direct Inclusion/ Included Through Measuring Current Transformers) Of The Metering Tool At The Customer'S Request; Extraordinary Technical Inspection Services Of Three-Phase (0.38 Kv Included Through Measuring Transformers Of Current) Of The Metering Tool At The Request Of The Customer Dk 021: 2015 65320000-2 Operation Of Electrical Installations