Forum Discussion
JConatser
Jun 22, 2011Explorer
Dan86300zxt wrote:
... repeated attempts give me an average of 27 amps(3240 watts) when the ac is first turned on... ...(the 50 something amps proffessor95 mentioned as "typical" had me worried)...
Note that while the Kill-A-Watt meter is a good tool that can be used for lots of electrical readings, it is not designed for measuring the In-Rush current of an inductive load. When designing circuitry where the In-Rush current has to be allowed for, a pretty good "poor-man's estimate" is 3 times the Run amps. That's pretty much the minimum you'll ever see when/if you measure it with an In-Rush current capable meter; sometimes 6-8 times the Run current will be observed.
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