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Posted

I came across this on new construction. It allows the owners to measure their electrical usage. I'm speaking of the 2 white metering devices on the service entrance cables and the leads exiting the panel at the bottom. I saw something similar to this befoe in a condo where they were trying to meter by individual units and I thought I was told it was wrong. I've searched the forum for "low voltage in panel" and found references to 110 and 725 and I'm still confused. I guess we'll be seeing more of this in our quest for energy efficiency

I sent this before finishing and I wanted to know if the set-up is OK i.e. can these low voltage devices be in the panel? I did not read the panel information.

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Posted
  kasterko said:

I came across this on new construction. It allows the owners to measure their electrical usage. I'm speaking of the 2 white metering devices on the service entrance cables and the leads exiting the panel at the bottom. I saw something similar to this befoe in a condo where they were trying to meter by individual units and I thought I was told it was wrong. I've searched the forum for "low voltage in panel" and found references to 110 and 725 and I'm still confused. I guess we'll be seeing more of this in our quest for energy efficiency

I sent this before finishing and I wanted to know if the set-up is OK i.e. can these low voltage devices be in the panel? I did not read the panel information.

It's probably no big deal. I just hate to see that unnecessary stuff in a panel. When UL lists these panels, they don't take stuff like that into account.

I've started seeing a new kind of power monitor. It's like a little Borg machine strapped to the meter. It uses a little "eye" to read the meter.

- Jim Katen, Oregon

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Posted
  Brandon Whitmore said:

  Quote
I've started seeing a new kind of power monitor. It's like a little Borg machine strapped to the meter. It uses a little "eye" to read the meter.

I've got one hooked up, and it works great.

We have one connected at the day job. It is sensative to RF interference, but tons easier to install.

Tom

Posted
  Brandon Whitmore said:

  Quote
I've started seeing a new kind of power monitor. It's like a little Borg machine strapped to the meter. It uses a little "eye" to read the meter.

I've got one hooked up, and it works great.

Yeah, until you've been assimilated.

- Jim Katen, Oregon

Posted

They are called CT's or current transformers. All they do is measure the strength of the electrical field around the wire they are attached to (so something like a meter can read the power use). I would not be to concerned about them unless the system is not listed by a proper testing agency like UL or CSA etc.

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