Posted by:
promist
at Sat Oct 30 10:44:09 2004 [ Email Message ] [ Show All Posts by promist ]
The formula to convert watts, volts or amps is: Amps x volts = watts. So a 15 amp circuit x 120 volts = 1800 watts. The NEC (National Electric Code) states that you can not exceed 80% of a branch circuit rating to allow for the start up of motors or other devices with higher initial loads. It also prevents the wiring from overheating, which can happen if loads exceed 80% continually. You can look on the refrigerator to get the maximum watt or amp rating and use the above formula to convert it as necessary. Your heater is 600 watts, the fluorescent lights are probably about 40 watts and the ceiling fan is maybe in the 100 watt range. Any other lights can be determined by what wattage bulb and how many. Add everyting up and see if you are within the 80% calculation (1440 watts). If you are, no problems, if not, you will have to change something.
Bob @ Pro Products
Pro Products
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