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House Electrical Circuit: Leakage?

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Posted by (PeteCresswell) on January 7, 2013, 3:44 pm
Recently installed a generator cutover switch
(http://tinyurl.com/a6e9fgn ) which tells me how much each circuit
is drawing.

I have one circuit which, when I *think* everything is unplugged,
still draws 18 watts.

First thing that comes to mind is that the circuit is serving
something that I do not know about; but I am hard-pressed to find

That seems to leave "Leakage".

Is there any such thing as an electrical leak in home wiring?

If so, typical causes?   Location strategies?
Pete Cresswell

Posted by Jim Wilkins on January 7, 2013, 5:21 pm

Doorbell or old Princess telephone transformer? It would likely be on
a junction box cover rather than plugged into an outlet.

Posted by Vaughn on January 7, 2013, 11:11 pm
 On 1/7/2013 12:21 PM, Jim Wilkins wrote:

They stick doorbell transformers in the strangest places.  I've been
living in this old house for 25 years and still haven't stumbled across
mine.  Yet the doorbell works.

When that hidden transformer finally goes bad, I hope it's an open
primary and not shorted turns.


Posted by g on January 10, 2013, 4:20 pm
 On 07/01/2013 15:11, Vaughn wrote:

In my old house they fixed the transformer onto the service panel. You
cannot see it unless you take off the front cover...


Posted by Jim Wilkins on January 7, 2013, 6:15 pm
That's a very good point, so I checked two connected 100' extension
cords with neon bulbs in their sockets on a P4460 KAWez. The readings
were 0.00A, 0.0W.

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