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5 votes
3 answers
6k views

Can I jump 120V across legs to power both sides of a panel?

I have installed a new sub-panel in our barn. We do not need a lot of power so I only ran 8/2 copper. My intention was to make the sub-panel 120v only by using a jumper for the second hot lug. Now I’m ...
Brian's user avatar
  • 51
0 votes
0 answers
32 views

240V on all 120v outlets and ceilings lights [duplicate]

In a remote studio have a Sub-Pannel with Multimeter readings. With No Circuit Breakers In Place (L1 to N 120v) (L2 to N 120v) (L1 to G 120v) (L2 to G 120v) (L1 to L2 240v) (N to G 0v) slim type ...
Lester Ray's user avatar
1 vote
2 answers
6k views

Running 240v circuit to detached garage

I am trying to determine the best way possible to get a 240v outlet to my detached garage approximately 25' from the breaker panel inside the house. I currently have 2 separate feeds to the garage ...
alwdonovan's user avatar
0 votes
2 answers
2k views

Does the metal receptacle box for 6-30 NEMA need to be grounded?

I have a 240 VAC portable heater with a 6-30 NEMA-style plug. I am finishing the 3rd floor of our house. I installed a sub panel fed with a 50A service using 6 AWG THHN. Installed a 30-amp 2-pole ...
FlowJack19's user avatar
5 votes
3 answers
11k views

What is wrong with this panel wiring?

I have a main breaker panel downstairs, and a subpanel upstairs. After I hired an electrician to rerun the service entry cables, nothing upstairs is right, and all the upstairs lights blew as soon as ...
Jess's user avatar
  • 51