Re: Wiring guage and amps
- From: "Mulan" <mulanchuan@xxxxxxxxxxx>
- Date: 15 Jul 2006 22:39:21 -0700
Thank you!
Since the breaker panel part of it scares me but I have been
"apprentice" to a lot of wiring installation for outlets, smoke
detectors and lights. I think I can install all the wiring back to
where the panel goes and then call in an expert for the mains to panel
installation. My budget doesn't give me any other option. Maybe an
electrician would not be willing to do that though.
The water heater is on the other side of the house and has gas. There
is gas in the room but I was given the electric stove top and oven and
can't afford gas appliances.
I was given the heater unit and all the cedar wood for a sauna too that
someone tore out that I thought about sticking in the basement - any
idea how much power that takes or if it would be 110 or 220?
I hope your back feels better there is nothing worse than back pain
zxcvbob wrote:
Mulan wrote:
Is this right for wiring?
no, but you're kind of close.
14 gauge with 2 wires for lights and small appliances power outlets to
a 20 amp breaker
12 gauge with 3 wires for the fridge, microwave, diswaher to a 20 AMP
breaker
12 or 14 gauge wire for lights and convenience outlets. 14 gauge wire
requires a 15A breaker. You can use a 20A or a 15A for #12 wire. (I
use #14 wire and 15A breakers for lighting circuits and for light-duty
but dedicated outlets, and I use #12 wire and 20A breakers for all
convenience outlets and appliance outlets.
You need at least two 20A circuits for the kitchen.
8 gauge with 3 wires for the stove top, oven, dryer to a 40 Amp breaker
Yes, although #6 Aluminum might be cheaper if it's a long run.
The dryer should probably be on a 30A circuit rather than 40A, and can
use #10 wire.
New panel size - do I add up the number of circuits needed and their
amps? e.g.
No. there are calculations in the back of the code book that tell you
the minimum service size.
stove 40AMP + oven 40+ dryer 40+ light circuit 20 + small appliances
20+ fridge 20+ diswasher microwave garbage disposal 20 for a total of
200 AMP box needed? OR can I combine the stope top and oven for a
total of 160???
There's a "tap rule" that lets you combine the stove and oven on one
circuit, I don't remember the details; it's very specific, but it will
save you some money on big copper wire. (My pain pills for my bad back
just kicked in and I don't trust my memory.)
With an electric stove and electric dryer (what about your water
heater?) you might need more than a 100A panel. You certainly don't
need a 200A, although you might want a 200A to give you lots of room for
expansion. Take a look at the 125A panels that I think are made for
mobile homes. 125A is a nice size, imho. I installed a 150A when I
upgraded the service in my old house, but the load calculations said I
only needed a 70A service. (that was before I added the shop w/ air
compressor and welder.)
I use aluminum wire for most things over 30 amps, and copper for
everything else. (I use copper for the big stuff too if it's a short run.)
Hope this helps!
Best regards,
Bob
.
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