LT Metering or Low Tension Metering
The subsequent types of meters are generally used for LT consumers:
Whole Current Meters
i) Single phase meters
ii) 3-phase 4 wire meters
iii) 3-phase 3 wire meters
CT Operated Meters
iv) 3-phase 4 wire meters with CT and MD
v) 3-phase 3 wire meters with CT and MD