What is the Maximum load allowed in Single Phase and Three Phase Power Supply in TNEB (Tamil Nadu Electricity Board) and other Electricity Service Providers.
In general single phase meter can handle up to 4.2 kW or 4200 watts or 6 Horse Power
But As per TNEB Terms and Conditions for supply of Electricity
Single-phase 2 wire : 240 volts between phase and neutral for supply, and total connected load not exceeding 4000 watts (4KW) (including power loads).
Three-phase 4 wire : 415 volts between phases and 240 volts between a phase and neutral for supply to a total connected load exceeding 4000 watts (4KW) but not exceeding a demand of 112 KW.
Three-phase 3 wire : 11,000 volts and above between phases for power installation exceeding a demand of 112 KW, the minimum demand however being 63 KVA
The consumer shall avail supply at 33 kV and above when the demand is 5 MVA and above.
Low Tension Supply:
Single phase 240 volts, 50 Hz A.C between phase and neutral.
Three-phase 415 volts 50 Hz A.C between phase
High Tension Supply:
Three-phase 50 Hz A.C, 11,000 volts, or 22,000 volts and 33,000 volts between phases whichever is available.
Extra High Tension Supply
Alternating current – 50 Hertz Three- phase 66,000 volts, 110,000 volts and 230,000 volts between phases whichever is available.