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Old meters


mridgeelk
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Originally posted by jon_ran

You did note that that meter was rated for 15 amps, right?

That's not quite correct. The 15 amperes designation refers to the test amps (the current that was used to calibrate the meter). Meters with a 15 TA designation are rated at 100 amps continuous load, though they can operate under higher loads for periods of time that aren't "continuous."

It's basically a 100-amp meter.

200 amp meters are tested at 30 amps.

- Jim Katen, Oregon

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In the first picture you can see at the eaves where one leg of the service is not in use, this is case on all four services as each unit has its own service. See additional picture of a different service. The picture of a panel shows numerous problems, note the jumpers used to supply power A to B

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Originally posted by jon_ran

I think that he means that instead of having 120/240 capability, the SEC is split to go to 2 separate services, supplying each with 120.

The concept can be confusing if you don't understand it. We call a service with a single SEC as 120, 2 SEC's is 120/240, but 3 SEC's is 3 phase.

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Originally posted by Jim Katen

That's not quite correct. The 15 amperes designation refers to the test amps (the current that was used to calibrate the meter). Meters with a 15 TA designation are rated at 100 amps continuous load, though they can operate under higher loads for periods of time that aren't "continuous."

It's basically a 100-amp meter.

200 amp meters are tested at 30 amps.

- Jim Katen, Oregon

See....

That is why I come here, learn new things all the time.

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