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View Full Version : What size Cable?


powrus
Feb 21, 2008, 03:34 PM
We're installing a Built-In Microwave Oven Combo unit, with specs as follows: 40 Ampere, 208/240 Volts, 60 Hertz (1/second). AC-ONLY. USE COPPER WIRE ONLY. A FOUR-WIRE OR THREE-WIRE, SINGLE PHASE ELECTRICAL SUPPLY REQUIRED

Question: The new unit is approximately 35 feet from the breaker box. What is the right size and type of cable to run to this unit?

Stratmando
Feb 21, 2008, 03:37 PM
2 #8's for Hots, a #10 for Neutral, and #10 for Ground on a 40 Amp 2 pole Breaker.

powrus
Feb 21, 2008, 05:48 PM
Thanks for the quick reply. Much appreciated.