I know there is a formula for this.....Amps into watts

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maytagbear

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However, at the moment, I forget it. Is it amps divided by watts, or what?

Plus, I'll know where to look....when I need to know again.

Also, if you have any questions electrical, this might be a reasonable place to ask them.

Thank you in advance!

Lawrence/Maytagbear
 
Amp ratings on appliances

Aren't ment to determine wattage. Some items have a huge turn on current, but a verry low running current.

A label rating is ment to determine if a circut is suited to run the appliance.

If an appliance draws a huge rush of current for a short time (like a fridge drawing 6-7 amps while starting for a second), that rush might be enough to trigger a fuse.

But the incuring power is not held for a significant time. Thus, wires aren't subject to the load long enough for it to matter.

Thus, the rating plates state the maximum current an appliance draws AND the highest wattage it draws for a significant power of time.

Best example: heatpump dryers. Most of them are rated at 6+A, which at 240V would put them at 1500W, some even are rated at 10A, putting them at 2400W. Yet they are labeled at 1kW or lower and use only about 1,5kWh in a cycle takeing 2-3h. So that dosen't add up.
 

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