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My house has a double oven , a single oven and range, and separate 4 burner range
9300 240 38.75 DOUBLE OVEN
7000 208 33.65 DOUBLE OVEN
9200 240 38.33 SINGLE OVEN AND RANGE
4 BURNER RANGE (no markings that I can see)
I am concerned about some of the wiring in this house, as much of it doesn't seem like it was done by a professional
The double oven and the single oven/range have individual 50 Amp circuit breakers
The 4 burner range has a 30 Amp breaker.
Presumably they all have the correct wires.
As I understand it, a 20% margin of error is recommended. This part of the wiring all seems OK. Should I get a meter and test the range?
Is that your concern? Just take a look at the size of wires coming into the breaker panel. 50AMP is pretty much standard for high output oven/range. Not sure what your concern is with the 20%. The appliance will specify either 30, 40 or 50 AMP.
Is this an older home? Not sure what the concern in.
My house has a double oven , a single oven and range, and separate 4 burner range
Are you running a catering business out of it?
Quote:
The double oven and the single oven/range have individual 50 Amp circuit breakers
The 4 burner range has a 30 Amp breaker. Presumably they all have the correct wires.
Most likely.
Quote:
As I understand it... Should I get a meter and test the range?
Are you in the habit of using all at the same time?
If concerned... add this to the list of things your electrician might look at.
Are you in the habit of using all at the same time?
If concerned... add this to the list of things your electrician might look at.
I've read in a few places that putting too large of a breaker, even if the wire is the appropriate size can be dangerous. In going through the house I find a number of issues.
1) 30 Amp fuzes on knife switches from wires dating to the late 1920's. This seems like a no brainer to replace these fuzes with 15 Amp fuzes as there was no heavy duty wiring or appliances back then.
2) A 30 Amp circuit breaker and wire that is cut down by 15 Amp fuzes and feeds to something unknown. Although this didn't seem inherently dangerous, I took it out and ran it to a spare 15 Amp circuit breaker.
3) A 40 Amp circuit breaker feeding a water heater that doesn't use more than 23 Amps of current (5500 Watts/240 Volts = 22.9 Amps). I don't know why they did this, but I left it alone.
4) A 20 Amp circuit breaker hooked up to some of the original wires from the 1920's. Doesn't seem right to me.
5) From the original post, the double oven, the single oven & range, and the 4 burner range, hooked up to 50 Amp, 50 Amp, and 30 Amp circuit breakers. It seems OK, but I would like to know what is normal wattage for a 4 burner range.
The house was upgraded from 100 Amp to 200 Amp service in the early 1980's. It is not clear if all the ovens and ranges plus air conditioning and dehumidifers plus hot water heaters and sauna have been turned on at once (for a party). It is within the realm of possibility.
Truthfully your best bet is bringing in an electrician. There are several things to look at in a circuit, for example you could have a properly rated breaker and wire but then the device it is tied into may not be rated the same. For example if you had a 30 amp breaker and #10 wire but ran that to regular outlets which are only rated for 20 amps you just set up a hazardous situation. It sounds like you have quite the hodgepodge and really should have it looked at. From your earlier post about knob and tube wiring you seem to have a good idea what's going on. Bringing in an electrician won't be cheap, expect $150 just to come, but it is good insurance and will give you piece of mind.
Bringing in an electrician won't be cheap, expect $150 just to come, but it is good insurance and will give you piece of mind.
I suppose. The four burner range is rated at 7200 Watts (240V) and it has a 30 Amp circuit breaker, while the Hot Water heater is rated at 5500 (240V) Watts and has a 40 Amp circuit breaker. It almost looks as if the guy who was doing the wiring got them confused.
But they have been that way for decades.
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