I HAVE AN OLD HOUSE 1952,THERE WAS AN ADDITION AND A NEW BOX INSIDE
THE HOUSE,AND THERE ARE SOME OLD WIRING THAT ARE BOTH WHITE AND THAT
WORRIES ME,ESPECIALLY THAT I HAVE HIGH LIGHT BILLS,I CAN READ 120 V
BETWEEN HOT AND GROUND BUT INT HE OLD AREAS THERE IS NO GROUND
If you are worried about safety, call an electrician and have him inspect
If you want all the wiring brought up to code, call several electricians and
get estimates to have your house re-wired.
If you want to save on your electric bill, new wiring will not do this.
However learning about energy savings will help. You can get new "Energy
Star" appliances, install compact flourescent bulbs, get a solar water
heater, add more insulation to your home, install new "Energy Star" windows,
etc. Here are some energy and money saving links...
Energy saving tips...
question about having your house re-wired. If the existing wires are
all snugly clamped to the framing, then how are the old wires
removed? Does all the drywall have to come off, or would all the old
wiring be disconnected from the main circuit box and just left alone
while new wires are fished thru?
Yeah that hows its done run all new wiring and likely new breaker
box / service entrance.
Its a excellent thing to do adds safety, and convenience.
What you probably have is knob and tube wiring, which often causes
trouble getting homeowners insurance.
Although sadly it wouldnt save money on your electric bill:(
I appreciate your response,There is no knob & tube,but some areas has
2 white wires,and others have b&w ,my question is fire safety,Since
someone can read 120v between hot and ground,Now which white wire
suppose to be hot?
The place where you can have a white wire connected to the hot side is
in a switch loop using a cable like Romex. You are supposed to
reidentify the white to some other color but that is a fairly new
rule. When you use a cable fior a switch loop you feed the hot into
the white and the black is the switched return so the installer at the
light fixture end is presented with a hot black (switched leg) and the
regular white neutral. At the source end seeing a white under a
wirenut with a black should tip you off that this is a switch leg.
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