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Old 03-11-2013, 12:13 PM   #16
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240v Dryer Outlet Issues


Yes I have heard of arc flash before but assumed it occurred at higher volt and amp levels. Thanks for the scary bit of reading. It seems like it is a relatively rare occurence however.

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Old 03-11-2013, 12:44 PM   #17
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240v Dryer Outlet Issues


Surface mount receptacle? Turn the power off, remove receptacle cover if surface mount. This will expose all terminals. Just remember, it's all out there for you to easily get the crapp knocked out of you, or someone else. After doing your tests, go shut it off post haste.

Otherwise, purchase a probe set that will reach....Or call the landlord. That's why he gets the big bucks.
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Old 03-11-2013, 03:58 PM   #18
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240v Dryer Outlet Issues


you can test for a faulty breaker at terminal screws in the panel if you have 240 there you know its upstream.
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Old 03-11-2013, 08:03 PM   #19
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240v Dryer Outlet Issues


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Originally Posted by old_squid View Post
You're dealing with 240v at high amperage... ever heard of Arc Flash?

Do you work for OSHA?
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Old 03-11-2013, 08:14 PM   #20
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240v Dryer Outlet Issues


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Do you work for OSHA?
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Old 03-11-2013, 08:30 PM   #21
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240v Dryer Outlet Issues


3 or 4 wire receptacle? Those new dryers have to have a good stable feed,my electric stove board was $350.
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Old 03-12-2013, 02:39 PM   #22
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240v Dryer Outlet Issues


Thanks for the advice about testing the voltage at the breaker. I popped the cover off and tested the breaker to the dryer. Its getting a solid 243v so it looks like there is a different problem with the dryer. Is there any chance that an issue with the cord could be causing the drop in voltage between the red and black connections on the back of the dryer, or do you think that it's just normal to have a lower voltage at the back with the plug attached to the dryer.
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Old 03-12-2013, 07:57 PM   #23
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240v Dryer Outlet Issues


For all of you guys who think you will get shocked at 240v. The only way you will get shocked is if you are touching BOTH hots at the same time. Hot to ground you will get 120V shock. Still able to kill you though.

Shut off the breaker. Pull out the plug at the wall. Ensure there are no wires touching any grounds or eachother. Turn breaker back on. Test between black and red. Black and red should be 240V, Black OR red TO white should give 120V and white to green should be 0V.

If you are only receiving 120V then your problem is most likely with wiring in the wall. If you get 240V I would test continuity of the cord. With cord out of the wall use continuity or ohms. Test each prong of the cord with each terminal inside the unit. Should 0 or 0.1 ohms. If its higher, replace the cord.
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Old 03-13-2013, 05:09 PM   #24
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240v Dryer Outlet Issues


Getting only 104v on a line suppossed to supply 120v,
is not the reason why your dryer wont work.
At this voltage the dryer should still function.
It might not get quite as hot,
but should still work.

Start by measuring with a volt meter
the voltages available at the breaker ?
Measure with a good load on it.
If the voltage is low here, then the problem
is with your panel or POCO's supply.

If it is ok here, check further down stream,
lets say at the dryer outlet,
if it down here, then your cables are under size or faulty.

Measure all voltages
under load,
1 - at feed side of breaker
2 - load side of breaker
3 - at dryer outlet

post results

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