Is 123 volts too high?

123 volts hot to neutral/ground is fine, likely means you’re physically closer to the substation, nothing at all to worry about. 140 volts is bad, can cause a fire and may mean the building has a bad neutral connection somewhere, a fire hazard.Click to see full answer. Similarly, you may ask, what happens if the voltage is too high?Voltage that is too high can cause premature failure of electrical and electronic components (e.g. circuit boards) due to overheating. As the voltage level goes up, the current is reduced and lower current usually equates to less heat generation within the motor windings.Similarly, is 138 volts too high? Typical household voltages now run from about 118 to 125, but can vary all over the place. If your measurement is indeed accurate at 138, it is too high. Call your power company and have it measured and adjusted. Hereof, is 124 volts too high? It should be within a very few volts of 120 VAC. This is an acceptable voltage. If you find that the voltage at your wall outlets is consistently around 124 VAC or higher, then you have too much electricity in your house and you are using and paying for significantly more energy than your appliances need.What causes high voltage in a home?The main cause of these voltage surges in power system are due to lightning impulses and switching impulses of the system. But over voltage in the power system may also be caused by, insulation failure, arcing ground and resonance etc. But over voltages occur in the power system due to lightning is very high.

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