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Have a 100 amp service
greg_bird2001
Mar 4, 2014, 06:30 PM
I have a 100 amp service ,I want to put a 20 kw furnace in ,will 2 6 gauge 220 wires be right
ma0641
Mar 4, 2014, 07:22 PM
What else is on the service?
Grady White
Mar 4, 2014, 07:43 PM
20kw at 240 volts is going to draw 83.33 amps. Number 6 wire is no where near heavy enough.