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Old 08-09-2013, 11:57 PM   #1
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Tanning bed 12/2 or 12/3?


I'm not sure if tanning beds are straight 240v loads or not, so I posted a pic of transformer. Should I use 12/2 or 12/3?




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Old 08-10-2013, 12:07 AM   #2
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Tanning bed 12/2 or 12/3?


I'm gonna guess 12/3, am I right?
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Old 08-10-2013, 12:20 AM   #3
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Tanning bed 12/2 or 12/3?


That is buck/boost transfomer aka autotransformer which it will change the voltage level by small step either increase or decrease the voltage.

Look at the tanning bed nameplate for very specfic voltage requirement and you may need a DVM or voltmeter to verify what the actual supply voltage you have now.

The type of cable useally either 12-2 or 12-3 ( more common to use 12-3 on modern verison )

And I will give you a head up do not do anything with buck/boost transfomer connection leave it alone for now ( this connection set up do not follow the diagram at all there is a special methold to be connected on this one.)

Merci,
Marc
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Old 08-10-2013, 10:46 AM   #4
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Tanning bed 12/2 or 12/3?


I agree with Mr. French ..


Check the tanning bed its self I bet you find that it is rated for 277v ...


They only had 240v available and used this to "boost" the 240 to 277
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Old 08-10-2013, 06:40 PM   #5
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Tanning bed 12/2 or 12/3?


Quote:
Originally Posted by Philly Master View Post
I agree with Mr. French ..


Check the tanning bed its self I bet you find that it is rated for 277v ...


They only had 240v available and used this to "boost" the 240 to 277
Philly Master.,

I think more likely the other way around I think they got the tanning bed which the system from that place did ran on 208 volts so they boosted from 208 to 240 volts.

Merci,
Marc
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Old 08-10-2013, 06:43 PM   #6
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Tanning bed 12/2 or 12/3?


.....


Check input voltage on the tag
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Old 08-10-2013, 06:50 PM   #7
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Tanning bed 12/2 or 12/3?


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.....


Check input voltage on the tag
I am aware with the tag but due the transfomer connection diagram will show it in convental connection but not in Autotransfomer connection due there are few ways to do this.

I allready know at least 8 differnt way to " skin " this transfomer.

For now I will wait until the OP reply to confirm the tanning bed spec plate and what he have the actual voltage in his system to make sure it is connected properly.

Merci,
Marc
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Old 08-14-2013, 07:49 PM   #8
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Tanning bed 12/2 or 12/3?


Here is pic of specs listed on tanning bed itself:

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Old 08-15-2013, 12:01 AM   #9
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Tanning bed 12/2 or 12/3?


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Here is pic of specs listed on tanning bed itself:



Ok the tanning bed is wired for 220 volts now the next question I did ask before is what is your actual voltage at your house right now ??

Do you have DVM ? ( Digital Volt Meter ) or standard voltmeter ??

If so read the 240 volt circuit to verify the actual supply voltage so we can determed if you need to use the autotransfomer ou not.

I know many tanning bed from my expernice they are very picky on the voltage due the lamps operation if too low or too high they will not function properly.

Merci,
Marc
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Old 08-15-2013, 12:15 AM   #10
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Tanning bed 12/2 or 12/3?


So I can wire it as 3 wire with 12/2 then? I'm not sure of actual voltage, I will check it.
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Old 08-15-2013, 12:25 AM   #11
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Tanning bed 12/2 or 12/3?


Quote:
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So I can wire it as 3 wire with 12/2 then? I'm not sure of actual voltage, I will check it.
You will only need 12-2 NM cable if indoor location but remark the white conductor with black marker or bleu or red marker or red or bleu tape. so you know this is NOT a netural at all.

Black ( line )
Remarked white ( line )
Bare ( Earth or ground )

That it.

After you check the actual voltage then I will guide you thru this one to make sure we are on the right page on this one.

Merci,
Marc
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Old 08-15-2013, 09:30 AM   #12
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Tanning bed 12/2 or 12/3?


The plug in the picture on top of the transformer is a NEMA 6-20 plug, which requires only 240V, no neutral. 12/2 would be appropriate for such a load, line-line-ground.

EDIT: I should have been clearer. You will only need line/line/ground with this plug, 12/2 will work. There is still a good outstanding recommendation on confirming the need for the transformer.

Last edited by flasherz; 08-16-2013 at 08:44 AM.
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Old 08-15-2013, 11:55 PM   #13
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Tanning bed 12/2 or 12/3?


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The plug in the picture on top of the transformer is a NEMA 6-20 plug, which requires only 240V, no neutral. 12/2 would be appropriate for such a load, line-line-ground.
That is correct however as I mention before I am wating for OP reply on the house actual voltage so once I know the actual voltage then either they can keep the autotransfomer or not depending on what the voltage level it is in there now.

Merci,
Marc
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Old 08-16-2013, 08:42 AM   #14
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Tanning bed 12/2 or 12/3?


Quote:
Originally Posted by frenchelectrican View Post
That is correct however as I mention before I am wating for OP reply on the house actual voltage so once I know the actual voltage then either they can keep the autotransfomer or not depending on what the voltage level it is in there now.
I agree with you, I was just answering his original question which was "do I run 12/2 or 12/3"?

It is true and I agree with you that the transformer may not be needed if a 240V bed was formerly used at a 208V location and is now at a 240V location, or a 208V bed was formerly used at a 240V location and is now at a 208V location.
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Old 08-17-2013, 12:19 AM   #15
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Tanning bed 12/2 or 12/3?


Quote:
Originally Posted by flasherz View Post
I agree with you, I was just answering his original question which was "do I run 12/2 or 12/3"?

It is true and I agree with you that the transformer may not be needed if a 240V bed was formerly used at a 208V location and is now at a 240V location, or a 208V bed was formerly used at a 240V location and is now at a 208V location.
Yeah that can happend but one thing I will let you know that most tanning beds are very picky with voltage due the arrangment of ballasts is set up and the type of lamps ( that is useally the biggest cuprit ) so if you ran it wrong voltage like too low or too high the tanning function may not work properly.

So like example I know one customer with his tanning bed his unit was set up for 230 volts but have 254 volts in his place so which it result 24 volts over the nameplate so slove that issue is got a half kilowatts 24 volt transfomer and wired up in autotransfomer connection which it did buck ( drop ) the voltage down to 230 volts and it work very well.

Merci,
Marc
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