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Is this for real?

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Posted by Congoleum Breckenridge on March 5, 2014, 11:16 pm


I can't believe this will work, since it's clamped around both H&N wires.

Posted by Stormin Mormon on March 5, 2014, 11:31 pm
On 3/5/2014 6:16 PM, Congoleum Breckenridge wrote:

The ammeter I've got requires a splitter,
for that reason. I'm suspicious.

Christopher A. Young
Learn about Jesus

Posted by mike on March 6, 2014, 1:04 am
 On 3/5/2014 3:31 PM, Stormin Mormon wrote:

Read the links.
The technology exists.
But it depends on the physical arrangement of the wires in the cable.
Standard flat two-wire cable, maybe.
Twisted 3-wire cable of unknown internal dimensions, not so much.
I wonder more about what powers the wifi.

In the real world, I expect the unknown cables will be problematic.

How many devices do you have that don't plug in and also have
access to the power cable and it's only 2-wire?
Water heater? nope
Stove? nope
Furnace/AC? nope
And do I need an iphone to monitor it?
KillAWatt is a better investment.

Also in the real world, accuracy isn't necessary.
Energy savings is all about relative usage.  Less is better.

You need two rules.
1) If you're not using it, unplug it.
But you can't unplug devices where this might be useful.
2) Don't use it.

You don't need any measurements to do this.
Shorter showers cost less.  So take shorter showers.

Mike's metrology maxim...
Never measure anything if the answer won't affect your
future behavior.
I know that a shower costs me about 13-cents.  Am I gonna
shower half as long to save 6.5-cents???  NO!

I have a device that monitors the utility meter and reports
what it thinks.  Before I go to bed, I often check to see if
it reads 1Amp baseline usage.
If it doesn't, I probably left the lights on in the garage.

I figger that in about 20 years, I'll have saved enough money
to pay for the monitor...if I ignore the cost of 20 years
worth of batteries.

So, my prediction for this device is that gadget lovers will buy
it if it's cheap.
If they specify accuracy, they're gonna get a lot of them back.
If they really explain the benefits, people might realize
they don't need one.
It's a solution in search of a problem.
Fortunes have been made on less...pet rock anybody???

Posted by amdx on March 6, 2014, 2:15 am
 On 3/5/2014 7:04 PM, mike wrote:

   I put a power meter on my water heater at the end of 2008.
The family was using $.73 per day to heat water. Then my daughter went  
to college, now our hot water costs about $.01.
btw. I didn't save money with her in college :-)

Oh, I don't see how that can work with both wires running through it.

Posted by Ed Pawlowski on March 6, 2014, 3:26 am
 On 3/5/2014 9:15 PM, amdx wrote:

Most people thought man could never fly to the edge of our flat earth.  
I imagine there could be a way to do it.

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