I'm replacing a 30-year old electric Frigidaire drop-in stove with a new Kenwood
electric drop-in. The old stove has a 220v electrical input consisting of a black
wire, a black wire with a red stripe, a grey wire and a ground wire. I believe
man at the Sears store said that new stoves have two wires, plus a ground wire.
What's the proper way to hook up the wiring?
Your old stove was connected to two hot legs, which were the black and black
with red tracer, a neutral which was the gray, and a ground, which was green
or bare. The new stove does not use a neutral, so cap that wire and just use
the two hot legs and the ground. Typically a stove does use both neutral and
ground, but often cooktops (unit with no oven) do not
Are you sure that the new stove is 220v? You don't say in your post
I'd read the installation manual carefully since the sales guy lead you
to believe that there is no neutral wire. I can imagine that the neutral and
ground are connected by a buss link but I can't imagine a stove without a
neutral in the US.
In the old days stoves used a neutral and 2 hot wires. with the ground
attached to the neutral.
I have seen plenty of stove and other 240V wiring without a neutral. 2
hots and ground with the ground wire connected and used as a neutral.
One house I lived in built in the mid '50's had just that. The ground
wire being a few haphazard strands of bare wire in the cable and
connected to the ground bus in the panel.
New 240V wiring is required to be 4 wire. I think most stoves can be
configured to use 3 wire if needed to accommodate the older wiring.
That's pretty much true of all ranges in the U.S., old and new. I think the
issue here, is that the OP indicates that the new unit only has 3 wires. He
calls it a "stove" which is a generic term,usually referring to a range, but
from his description, I think he is getting a cooktop, which may or may not
use a neutral, depending upon make and model
I should have clarified. It's an electric drop-in range with standard electric
burners, with the oven below. It's interesting to note that the original 1974
to this range uses heftyof a lighter grade, I suppose to keep the cost down.
In the U.S. , ranges will all be internally wired so they can be connected
to either a 3 or 4 wire feeder, so you can use whatever you have existing,
however all new range feeder installations must be four wire
If Sears wants to close the sale, it is reasonable for you
to expect unambiguous instructions in writing how to connect it.
"What the man said" is not good enough. If you have more
questions, ask Sears until you are satisfied with the answers.
The problem is that Sears doesn't install the appliances, so I don't expect them
have the answers about installation. The instructions that came with the range,
are very detailed.
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