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Steps for installing a transfer switch

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Steps for installing a transfer switch Ignoramus16089 08-20-2006
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Posted by Ignoramus16089 on August 20, 2006, 3:38 pm
I would like to install a real transfer switch like this one

http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=42163

Our house is wired for 200 amps, so this is the right size for us.

I plan on getting a proper permit, but I want to understand the work
involved.

Here's a picture of our power meter:

http://igor.chudov.com/tmp/onan/Diesel/z02_Installed/dscf0209.jpg

I understand that the proper electrical placement of the TS is to
place it between the power meter and house main breaker. It is the
physical layout that has me confused.

The meter has a prepunched hole to the right, below the utility seal
line. Not sure if it is helpful. After the meter, the electric cable
goes right inside the house, to the panel that is right behind the
meter (maybe 1 foot long).

The question is, how to install a transfer switch here. I aam
obviously unable to open the meter to look, since it is sealed.

What is the normal location of the transfer switch? How is it usually
connected to the meter box?

I would think that if, hypothetically, the meter box had a prepunched
knockout hole a little above the meter, then I would tap there quite
easily, but it does not seem to be the case.

I want to do a 100% perfect job here, that would be inspected and all,
so I want to do it right. Any good assistance would be appreciated.

i

P.S. I would like to avoid suggestions like "just get a little 6
circuit emergen transfer switch", it is not the right one for our
situation.


Radiant Heat 468x60
Posted by john on August 20, 2006, 5:25 pm


Ignoramus16089 wrote:

> I would like to install a real transfer switch like this one
>
> http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=42163
>
> Our house is wired for 200 amps, so this is the right size for us.
>
> I plan on getting a proper permit, but I want to understand the work
> involved.
>
> Here's a picture of our power meter:
>
> http://igor.chudov.com/tmp/onan/Diesel/z02_Installed/dscf0209.jpg
>
> I understand that the proper electrical placement of the TS is to
> place it between the power meter and house main breaker. It is the
> physical layout that has me confused.
>
> The meter has a prepunched hole to the right, below the utility seal
> line. Not sure if it is helpful. After the meter, the electric cable
> goes right inside the house, to the panel that is right behind the
> meter (maybe 1 foot long).
>
> The question is, how to install a transfer switch here. I aam
> obviously unable to open the meter to look, since it is sealed.
>
> What is the normal location of the transfer switch? How is it usually
> connected to the meter box?
>
> I would think that if, hypothetically, the meter box had a prepunched
> knockout hole a little above the meter, then I would tap there quite
> easily, but it does not seem to be the case.
>
> I want to do a 100% perfect job here, that would be inspected and all,
> so I want to do it right. Any good assistance would be appreciated.
>
> i
>
> P.S. I would like to avoid suggestions like "just get a little 6
> circuit emergen transfer switch", it is not the right one for our
> situation.
>

The first thing you should do is to determine if you want to put
everything on the transfer switch or only the emergency equipment, and
leave off the unnecessary items. If you switch everything you will have
to have the electric company disconnect the power while you put the
switch in the leads from the meter.

If you only want the emergency equipment to run ( furnace, lighting,
refrigerator, freezer) then you put in a branch ckt and run all
emergency the stuff off the branch ckt box. The switch is tied between
the branch and the main box. This can be done without having the
electric company turn off the power.

I would recommend you consult a qualified electrician.


John


Posted by Ignoramus16089 on August 20, 2006, 6:02 pm
>
>
> Ignoramus16089 wrote:
>
>> I would like to install a real transfer switch like this one
>>
>> http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=42163
>>
>> Our house is wired for 200 amps, so this is the right size for us.
>>
>> I plan on getting a proper permit, but I want to understand the work
>> involved.
>>
>> Here's a picture of our power meter:
>>
>> http://igor.chudov.com/tmp/onan/Diesel/z02_Installed/dscf0209.jpg
>>
>> I understand that the proper electrical placement of the TS is to
>> place it between the power meter and house main breaker. It is the
>> physical layout that has me confused.
>>
>> The meter has a prepunched hole to the right, below the utility seal
>> line. Not sure if it is helpful. After the meter, the electric cable
>> goes right inside the house, to the panel that is right behind the
>> meter (maybe 1 foot long).
>>
>> The question is, how to install a transfer switch here. I aam
>> obviously unable to open the meter to look, since it is sealed.
>>
>> What is the normal location of the transfer switch? How is it usually
>> connected to the meter box?
>>
>> I would think that if, hypothetically, the meter box had a prepunched
>> knockout hole a little above the meter, then I would tap there quite
>> easily, but it does not seem to be the case.
>>
>> I want to do a 100% perfect job here, that would be inspected and all,
>> so I want to do it right. Any good assistance would be appreciated.
>>
>> i
>>
>> P.S. I would like to avoid suggestions like "just get a little 6
>> circuit emergen transfer switch", it is not the right one for our
>> situation.
>>
>
> The first thing you should do is to determine if you want to put
> everything on the transfer switch or only the emergency equipment,
> and leave off the unnecessary items. If you switch everything you
> will have to have the electric company disconnect the power while
> you put the switch in the leads from the meter.

Yes, that's what I want. Everything on the switch.

> If you only want the emergency equipment to run ( furnace, lighting,
> refrigerator, freezer) then you put in a branch ckt and run all
> emergency the stuff off the branch ckt box. The switch is tied between
> the branch and the main box. This can be done without having the
> electric company turn off the power.

I do not want that. I want the entire house on the generator/transfer
switch, I would simply not use certain loads that are too heavy for
the generator (like central A/C).

I have a decent generator that can power my entire house if I turn off
A/C, pool heater, and use the electric kitchen range very sparingly.

Why should I shortchange myself.

Like I said in my original post, I am not interested in a transfer
switch for a few circuits.

i

> I would recommend you consult a qualified electrician.
>
>
> John
>


Posted by Steve Smith on August 20, 2006, 10:08 pm


Ignoramus16089 wrote:

>
>
>>Ignoramus16089 wrote:
>>
>>
>>
>>>I would like to install a real transfer switch like this one
>>>
>>>http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=42163
>>>
>>>Our house is wired for 200 amps, so this is the right size for us.
>>>
>>>I plan on getting a proper permit, but I want to understand the work
>>>involved.
>>>
>>>Here's a picture of our power meter:
>>>
>>>http://igor.chudov.com/tmp/onan/Diesel/z02_Installed/dscf0209.jpg
>>>
>>>I understand that the proper electrical placement of the TS is to
>>>place it between the power meter and house main breaker. It is the
>>>physical layout that has me confused.
>>>
>>>The meter has a prepunched hole to the right, below the utility seal
>>>line. Not sure if it is helpful. After the meter, the electric cable
>>>goes right inside the house, to the panel that is right behind the
>>>meter (maybe 1 foot long).
>>>
>>>The question is, how to install a transfer switch here. I aam
>>>obviously unable to open the meter to look, since it is sealed.
>>>
>>>What is the normal location of the transfer switch? How is it usually
>>>connected to the meter box?
>>>
>>>I would think that if, hypothetically, the meter box had a prepunched
>>>knockout hole a little above the meter, then I would tap there quite
>>>easily, but it does not seem to be the case.
>>>
>>>I want to do a 100% perfect job here, that would be inspected and all,
>>>so I want to do it right. Any good assistance would be appreciated.
>>>
>>>i
>>>
>>>P.S. I would like to avoid suggestions like "just get a little 6
>>>circuit emergen transfer switch", it is not the right one for our
>>>situation.
>>>
>>>
>>>
>>The first thing you should do is to determine if you want to put
>>everything on the transfer switch or only the emergency equipment,
>>and leave off the unnecessary items. If you switch everything you
>>will have to have the electric company disconnect the power while
>>you put the switch in the leads from the meter.
>>
>>
>
>Yes, that's what I want. Everything on the switch.
>
>
>
>>If you only want the emergency equipment to run ( furnace, lighting,
>>refrigerator, freezer) then you put in a branch ckt and run all
>>emergency the stuff off the branch ckt box. The switch is tied between
>>the branch and the main box. This can be done without having the
>>electric company turn off the power.
>>
>>
>
>I do not want that. I want the entire house on the generator/transfer
>switch, I would simply not use certain loads that are too heavy for
>the generator (like central A/C).
>
>I have a decent generator that can power my entire house if I turn off
>A/C, pool heater, and use the electric kitchen range very sparingly.
>
>Why should I shortchange myself.
>
>Like I said in my original post, I am not interested in a transfer
>switch for a few circuits.
>
>i
>
>
>
>>I would recommend you consult a qualified electrician.
>>
>>
>>John
>>
>>
>>
Iggy, instead of an automatic transfer switch, we put in a manual one
(i.e. just a big, properly enclosed knife switch setup). Manual control
(if you are at home) is pretty easy, and I wonder what kind of erroneous
responses you can get out of an automatic setup.

Our generator is (I think) 7.5kW, it works very nicely to run our house
on the odd occasion we need it. It takes over the panel (via the big
switch) and feeds the whole house, we just take care not to overload
it. We decided we needed it after hearing about the ice storm (10 years
ago?) here in Maine where many people were without power for over a week.

Steve

Posted by Ignoramus16089 on August 20, 2006, 10:32 pm
>
>
> Ignoramus16089 wrote:
>
>>
>>
>>>Ignoramus16089 wrote:
>>>
>>>
>>>
>>>>I would like to install a real transfer switch like this one
>>>>
>>>>http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=42163
>>>>
>>>>Our house is wired for 200 amps, so this is the right size for us.
>>>>
>>>>I plan on getting a proper permit, but I want to understand the work
>>>>involved.
>>>>
>>>>Here's a picture of our power meter:
>>>>
>>>>http://igor.chudov.com/tmp/onan/Diesel/z02_Installed/dscf0209.jpg
>>>>
>>>>I understand that the proper electrical placement of the TS is to
>>>>place it between the power meter and house main breaker. It is the
>>>>physical layout that has me confused.
>>>>
>>>>The meter has a prepunched hole to the right, below the utility seal
>>>>line. Not sure if it is helpful. After the meter, the electric cable
>>>>goes right inside the house, to the panel that is right behind the
>>>>meter (maybe 1 foot long).
>>>>
>>>>The question is, how to install a transfer switch here. I aam
>>>>obviously unable to open the meter to look, since it is sealed.
>>>>
>>>>What is the normal location of the transfer switch? How is it usually
>>>>connected to the meter box?
>>>>
>>>>I would think that if, hypothetically, the meter box had a prepunched
>>>>knockout hole a little above the meter, then I would tap there quite
>>>>easily, but it does not seem to be the case.
>>>>
>>>>I want to do a 100% perfect job here, that would be inspected and all,
>>>>so I want to do it right. Any good assistance would be appreciated.
>>>>
>>>>i
>>>>
>>>>P.S. I would like to avoid suggestions like "just get a little 6
>>>>circuit emergen transfer switch", it is not the right one for our
>>>>situation.
>>>>
>>>>
>>>>
>>>The first thing you should do is to determine if you want to put
>>>everything on the transfer switch or only the emergency equipment,
>>>and leave off the unnecessary items. If you switch everything you
>>>will have to have the electric company disconnect the power while
>>>you put the switch in the leads from the meter.
>>>
>>>
>>
>>Yes, that's what I want. Everything on the switch.
>>
>>
>>
>>>If you only want the emergency equipment to run ( furnace, lighting,
>>>refrigerator, freezer) then you put in a branch ckt and run all
>>>emergency the stuff off the branch ckt box. The switch is tied between
>>>the branch and the main box. This can be done without having the
>>>electric company turn off the power.
>>>
>>>
>>
>>I do not want that. I want the entire house on the generator/transfer
>>switch, I would simply not use certain loads that are too heavy for
>>the generator (like central A/C).
>>
>>I have a decent generator that can power my entire house if I turn off
>>A/C, pool heater, and use the electric kitchen range very sparingly.
>>
>>Why should I shortchange myself.
>>
>>Like I said in my original post, I am not interested in a transfer
>>switch for a few circuits.
>>
>>i
>>
>>
>>
>>>I would recommend you consult a qualified electrician.
>>>
>>>
>>>John
>>>
>>>
>>>
> Iggy, instead of an automatic transfer switch, we put in a manual one
> (i.e. just a big, properly enclosed knife switch setup).

yep, that's exactly what I want, and that's what the switch that I
mentioned in my original post, does.


> Manual control
> (if you are at home) is pretty easy, and I wonder what kind of erroneous
> responses you can get out of an automatic setup.

I agree 100%. I would not install an automatic transfer switch in my
worst nightmare.

> Our generator is (I think) 7.5kW, it works very nicely to run our house
> on the odd occasion we need it. It takes over the panel (via the big
> switch) and feeds the whole house, we just take care not to overload
> it.

Exactly my plan. Plus I am planning on sharing this with my neighbors,
so that they can run some fridges and furnaces.

i


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