Hybrid Car – More Fun with Less Gas

Generator Transfer Switch: Combining Multiple House Circuits on One Switch Circuit? - Page 2

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Posted by (PeteCresswell) on December 7, 2012, 2:19 am
 
Per mike:

Electrician I asked said something that I interpreted as similar.
I'm having trouble with this one and think either something
hasn't soaked in yet or I talk too fast/write too verbosely and
am muddying the waters.

For the sake of argument:

- One 15-amp breaker  (NOT 20.... the twenty amp fuse
  is in the switch's circuit feeding the 15-amp
  breaker)

- Three circuits hung on that single breaker.

- Each circuit's wire is spec'd to handle up to
  15 amps.

- Seems to me like no single wire can experience more
  than 15 amps because the breaker will trip at 15.

- The 20-amp fuse in the switch (instead of a 15-amp fuse)
  is so that the breaker will take the hit on overload
  and the fuse will be less likely to blow.

Do I have it right?  If not, where am I going wrong?
--
Pete Cresswell

Posted by Vaughn on December 7, 2012, 3:12 am
 
On 12/6/2012 9:19 PM, (PeteCresswell) wrote:

I see nothing dangerous here, but it may turn out to be inconvenient if
your load is more than you think it is.  There is no chance that you
will want to run window units in any of those bedrooms?

When I installed my 6-circuit transfer panel I believe I combined a
couple circuits.

Posted by (PeteCresswell) on December 7, 2012, 11:23 pm
 Per Vaughn:

Right now, we're thinking "Lifeboat", not "Cruise Ship".

OTOH, I did buy an itty-bitty microwave for use during outages
and maybe a very small window box would not be out of the
question.... OTOOH, we very seldom have outages during hot
weather and when we have they've been fixed within hours.
--
Pete Cresswell

Posted by Vaughn on December 7, 2012, 11:48 pm
 On 12/7/2012 6:23 PM, (PeteCresswell) wrote:

Yes, but if you combine your circuits, you will be power-limited all the
time, not just when you are on emergency power.

I asked about the window shaker because that's one of the more common
big power users you will find in a bedroom.  Other possibilities include
space heaters and medical equipment such as oxygen concentrators.

Things are a bit different here in south Florida.

Vaughn



Posted by Mr Clarke on December 8, 2012, 6:12 pm
 

Whole lot could be sensed and controlled using existing wiring; I`m sure
you`re aware of the
various mains carrier transceiver kits available?



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