The GB Circuit Tester lights up when hot to ground and when neutral to
ground. It DOES NOT light up when hot to neutral. Same for all plugs
on circuit. Wiring was new 20 + years ago. Problem noticed when
plugging in iron caused power to go out, but didn't trip circuit
breaker. New circuit breaker and outlet haven't solved problem.
It looks like a floating neutral. That means the white is not making
You may want to check all the circuit breakers to make sure one has not
gone. They don't always look like they have tripped even when they have.
It is also possible that the the neutral and ground have been
miss-wired. That is also bad. It is hard from here to determine exactly
what is going on.
If you are unsure at any time working on this, please stop and call in a
professional. Mistakes can cost your home or even your life.
check all other outlets on this circuit, turn breaker off, put masking
tape by all dead outlets, see how many are effected.
who did the original wiring 20 years ago?
if your moderately handy and patient this can be fixed.
how many outlets are having trouble?
Try a different type of testor - sometimes the simpler the better. this
will help to determine the problem. They are cheap and easy to read.
see link. http://www.inspectortools.com/gfciouttesbu.html
then decide what to do next.
When I move into a house I change all outlets and switches. (both were
over 40yo and both places I found potential fire hazards)
Also when you changed the breaker did you (re)tighten all the nuetrals
I have found them loose in the pannel before?
does the gizmo show ok elsewhere? at the neighbor's house? if so, to be
safe, turn off all your individual circuits which display the problem.
if this problem is throughout the house TURN OFF THE MAIN.
with your right hand safely in your pocket and your left hand holding
the telephone calling the power company, just explain to them your
problem, and they will come right over and check their power at their
meter for free. my daughter is an electrical engineer at a power
utility and always insists that you call on these dangerous open
neutrals or open grounds.
then you'll have two sources of information and ability to phone an
electrician for a service call.
he may need to with all the power off inspect and replace all of the
circuit's outlets with the burnt-open neutral wire. maybe some wire
too. your description suggests the problem is somewhere between the
iron and another one or more of the connections at the five outlets or
a connection box on the way to the panel.
also maybe explore upgrading to new type of breakers
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