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re: Need Electrician Help - House With 10% Power?!?
Posted on 9/6/21 at 5:24 pm to BrockLanders
Posted on 9/6/21 at 5:24 pm to BrockLanders
Did the transformer pole or your service line to your home get damaged by the storm. It sounds like you may have a bad crimp on one of your two legs. A poor ground does some shady stuff also. Your home could be "floating."
0
Posted on 9/6/21 at 5:32 pm to thejudge
quote:
Depends on the way the panel is wired with the breakers. You try to balance the load on each leg, but that's not always the case.
Some electricians do a better job than others balancing the load. But if you take a table lamp and plung it into walk outlets through out the house you will probably find that more than 10% of the house has power, can’t go just by ceiling lights.
Posted on 9/6/21 at 5:37 pm to AndyCBR
quote:
220v service is 2 lines on the same phase. It is not multiphase power.
Typically called “split phase”, the pole transformer has a center tap that the neutral is connected to that splits the 240 secondary into two 120 volt legs.
Posted on 9/6/21 at 5:42 pm to AndyCBR
quote:
Almost no residential services are 3 phase. Two-line single phase power is the norm.
It is not common, but it is not rare, there at a ton of older houses in Lafayette and New Orleans that are supplied with 3 phase power, and I have seen a few in Baton Rouge. The original AC units were 3 phase.
Posted on 9/6/21 at 6:19 pm to AndyCBR
quote:
220v service is 2 lines on the same phase. It is not multiphase power.
It’s two phases of a three phase circuit. They drop the two phases to two ends of a transformer primary and drop a neutral off the center tap of the secondary. This results in single phase 240 V across the secondary, with 120 volts from either end to the center tap.
Utilities can derive the power any number of ways, but this is the most common, I think.
Posted on 9/6/21 at 6:19 pm to BrockLanders
Go buy you one of these and only use outlets with a ~120v 60hz output...especially electronics.
harbor freight voltage meter
harbor freight voltage meter
This post was edited on 9/6/21 at 6:21 pm
Posted on 9/6/21 at 6:31 pm to BrockLanders
quote:
Should I turn off the breakers to the appliances & washer/dryer?
You should turn off every two pole (double wide) breaker. Dryer, range, AC, water heater, etc.
Posted on 9/6/21 at 6:32 pm to dr_pootis
quote:
You should turn off every two pole (double wide) breaker. Dryer, range, AC, water heater, etc.
For sure. You can only harm them by leaving them powered.
Posted on 9/6/21 at 6:43 pm to BrockLanders
My daughter just went through this. One of the wires from the transformer to the house was broken loose. She called every hour, on the hour, for an entire day. They showed up the next day and fixed the problem.
Posted on 9/6/21 at 6:57 pm to BrockLanders
Yes, it appears one of your 120 vac legs has been pulled from the connector. Simple fix if you can flag down a power company truck.
Posted on 9/6/21 at 9:33 pm to EA6B
quote:
It is not common, but it is not rare, there at a ton of older houses in Lafayette and New Orleans that are supplied with 3 phase power, and I have seen a few in Baton Rouge. The original AC units were 3 phase.
It is rare.
Posted on 9/6/21 at 9:38 pm to AndyCBR
quote:
It is rare.
5 tons or more would get 3 phase.
Sounds like he has a leg out.
Good luck.
Posted on 9/6/21 at 9:51 pm to QuietTiger
quote:
5 tons or more would get 3 phase.
Not in a residential application unless you are very near the distribution lines and pay for a separate 3 phase service.
Posted on 9/6/21 at 10:13 pm to BrockLanders
quote:
Would this be the likely culprit on the left side of the photo?
bingo.
Posted on 9/6/21 at 10:43 pm to BrockLanders
I had same issue last week. Tree branch was on the line to the transformer. Crew cut the branches down, patched up the wires and I was back at full power.
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