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Electrical short circuit

Why the positive and negative not short circuited

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  • Water Heaters Master
  • 5,089 Answers

What are you working on?
Positive and negative is associated with battery.
Unless you have a fuse, then it will not necessarily short out, but instead drain battery.
Copy following link for household AC electrical information:
http://waterheatertimer.org/See-inside-main-breaker-box.html
Gene

Posted on Aug 01, 2013

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Posted on Jan 02, 2017

  • 65 Answers

SOURCE: circuit breaker trips on electric hot water heater circuit

Check the voltage at the water heater. Sounds like the element is burnt out and is tripping the breaker.

If it is more then 5 years old I would check.install a new heating element.

Posted on Mar 27, 2009

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How do you set a ge skhb36bc1200 breaker keeps tripping does have water in the panel would that be a factor


Yes, it definitely could be a problem! Water conducts electricity. So if the water is touching different parts of an electrical circuit (resulting in a "short circuit"), the breaker would trip. When you say "the panel" are you referring to the house breaker panel, or to a panel on the water heater itself?

Dec 18, 2014 | Water Heaters

Tip

How does circuit breaker work?


In the circuit breaker there are two electrodes with space some distance.
There are many types of circuit breaker air blast,oil C.B, vacuum C.B etc.
Most probably oil circuit breaker is used. In the OCB, the transformer oil fill.
And these electrodes are submerge.
Now when the electricity flows from one terminal to another terminal, the arc is developed between terminals end inside the circuit breaker. This arc is quenched by transformer oil.And the electricity flows without any fault.

on Mar 04, 2010 | Bosch PowerStar AE125 AE125 Whole House...

1 Answer

I have an Intermatic WH-40 timer set up on swimming pool pump. I am not using any start/stop mechanical pieces on the dial face. Yet my pump does shut off everyday for short time period. Why is this...


Sounds like pump issue or loose wire and not the timer.
Check wiring at pump. Read pump manual. The pump may have overheat cycle that trips off and then comes back on to protect pump without requiring owner to press reset button each time.

If timer turns OFF, then the manual override lever moves to the off position, and when timer turns ON again, the override lever moves to the on position. If override lever is moving without a tripper, then I would like to know more about that. Add a comment with photo posted on Flickr.

Same with the circuit breaker. The circuit breaker switch does not trip and reset once a day.

A loose wire could cause occasional connect-reconnect.
Check terminals inside timer for signs of high heat and burning. Check that insulated part of wire is not under the screw-down-plate.
http://waterheatertimer.org/How-to-troubleshoot-Intermatic-timer.html#plate

Check circuit breaker for signs of burning and smell of electrical burning and sound of shorting on the busbar.

Upvote the help.
And take advantage of fixya expert assistance live.
For a price, expert works with you while you work on timer or any do-it-yourself project.
Fixya is always less expensive than a service call.

May 31, 2011 | Intermatic WH40 - Water Heater Time Switch...

1 Answer

Replaced thermostat, replaced heating elements, replaced wiring to electric box, water heater still does not work


Take 20 minutes and do complete troubleshoot.
http://waterheatertimer.org/How-to-troubleshoot-electric-water-heater.html

Things to look for are:
1) sediment inside tank shorting out lower element.
2) wire broken or shorted between parts
3) thermostats not wired correctly
4) water heater not getting 240V from circuit breaker, so water heater tests for 120 and appears to have electricity, but circuit is not complete.
http://waterheatertimer.org/Test-electricity-to-water-heater.html

Add a comment for more free help.
Also take advantage of fixya expert assistance live.
For a price, expert works with you while you work on water heater or any do-it-yourself project.
Fixya is always less expensive than a service call.

Mar 03, 2011 | Whirlpool Water Heaters

1 Answer

Replaced bottom element and both thermosats. the reset button tripped what would cause this to happen


Reset trips when upper thermostat senses high heat event over 150 degrees F.

High heat can be caused by:

1) Element shorted to ground through center of element. Thermostats turn off one leg of 240V circuit. Elements always have 120V available. If element is shorted to ground, it might not trip breaker, and continues to heat using one leg of 240 with circuit completed to ground wire.
Test elements:
http://waterheatertimer.org/How-to-test-water-heater-element.html
http://waterheatertimer.org/How-to-wire-EH40-hot-water-heater-timer.html#120-240

2) Insulation and cover not put back over thermostat. Thermostat exposed to cool air, misreads temperature causing element to continue heating.

3) Thermostat sticking in ON position. I usually replace both thermostats at same time to save another trip.
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html

4) Shorted wire or loose wire at or near upper thermostat. Check that screws are very tight against copper wire.
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html

5) One suspect can be eliminated is 240Volt power to heater.
Your heater circuit is good.

Add a comment for more free help.
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Fixya is always less expensive than a service call.

Jan 18, 2011 | Rheem Water Heaters

1 Answer

Circuit braker faulty


The following link is step-by-step troubleshoot for water heater electric circuit:
http://waterheatertimer.org/Test-electricity-to-water-heater.html
Link also tells how to test breaker inside main breaker box, and then ends with step-by-step troubleshoot for internal electric water heater parts.
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html


See basic water heater circuit on following link:
http://waterheatertimer.org/240-v-water-heater-circuit.html
If circuit breaker is bad, following link shows how to replace circuit breaker:
http://waterheatertimer.org/How-to-replace-circuit-breaker.html

Jan 11, 2011 | RELIANCE ELECTRIC WATER HEATER

1 Answer

Circuit breaker in water heater will not reset.


If I understand correctly the red reset button or ECO located on upper thermostat will not reset.
Add a comment if problem is different.

Electric water heaters are fully repairable by homeowner.
If circuit breaker to water heater will not reset, then you need full troubleshoot using inexpensive multi-meter from Home Depot::
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html

If reset button will not reset, then two things can cause this problem.
1) Ground short between upper thermostat and upper element, including shorted upper element.
a) Look at wires to see visible signs of high heat and burning.
b) Test upper element for short.
http://waterheatertimer.org/How-to-test-water-heater-element.html

2) Upper thermostat is bad. Test upper thermostat, or just replace thermostat using generic upper thermostat from hardware store.
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html

3) If problems persist:
Troubleshoot electric water heater using inexpensive multi-meter from Home Depot:
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html


Upper thermostats are generic unless you have "energy-smart" water heater that has control box and reset button located on top of tank.
geno_3245_119.jpg

Nov 29, 2010 | RELIANCE ELECTRIC WATER HEATER

1 Answer

OUR WATER HEATER IS BLOWING FUSES ..


1) Turn off power before touching water heater that is shorting or wet or was flooded.
2) Circuit breakers & fuses blow because of heat. A short will cause heat. Tighten screws on terminals inside box, listen for crackling sound/burning smell from loose-fitting parts.
3) Easy test for circuit breakers: move water heater wires to another same-size breaker. If same-size does not blow, then problem is breaker.
4) A short between fuse box and water heater could be gnawed electrical wire. Inspect wire.
5) Wires have size markings. 5500 watt water heater needs #10 wire. 4500 watt water heater needs #10 wire but can work with smaller #12 if distance is not long. See label on side of heater for wattage, voltage, etc. Element wattage is water heater wattage even with 2 elements.
http://waterheatertimer.org/Figure-Volts-Amps-Watts-for-water-heater.html
6) Short inside water heater can be elements or thermostat. Open covers and inspect parts for burning. Screws should be very tight against copper wire. Sediment could fill bottom of water heater cause lower element to short.
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http://waterheatertimer.org/How-to-troubleshoot-electric-water-heater.html

Sep 16, 2010 | Little Giant Water Heaters

1 Answer

I have a rheem 81VP2S Electric water heater it keeps tripping the circuit breaker. If I flip the breaker back on it will run for a bit then trip again. Or the breaker will trip If I I plug it in when it is...


Hi , when a breaker trips immediately, that can indicate a problem in the circuit. But the circuit stays on for a bit , then trips, so there is a problem with the heater. Could be that a thermoastat or heating element is shorted out. You can replace these items yourself, I would check the heat element first. Or there may be some corosion residue around the heater terminals.

Apr 02, 2010 | Rheem 81VP2S Point-of-Use Electric Water...

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