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1 vote
3 answers
537 views

Help in understanding capacity of split bus breaker panel with sub panel

My home was built in 1978 (USA, Washington State), and has a split bus panel for the main breaker box. It also has a separate subpanel, which I'm not sure if it is original or added later. I am a ...
Matt Johnson-Pint's user avatar
10 votes
2 answers
739 views

80amp EVSE on subpanel

I’ve got a trivial problem that has become complicated by a non-trivial setup. My goal is to install an 80amp (100amp breaker) EVSE to charge my electric truck. An incentive from my electric ...
cyclops's user avatar
  • 897
1 vote
2 answers
2k views

Upgrade subpanel

I am looking to add a 240v 50amp outlet to my garage for charging the EV. With the help of folks on this forum I found that I need to expand my subpanel to add more breakers before adding a line to ...
adadevil's user avatar
6 votes
3 answers
8k views

Can I install two 60 amp EV chargers on a 100 amp subpanel?

I have 200amp service for the house and I'm looking to potentially add capacity for two EV chargers in the garage. I'm hoping to install two EV chargers that can charge up to 48 amps each. I know that ...
will74's user avatar
  • 117
2 votes
2 answers
2k views

Grounding requirements for multipanel, multiservice installation

Overview: My question ultimately boils down to figuring out how many wires I can properly stuff down an existing conduit. There are many questions pertaining to wiring and grounding sub-panels, but I'...
whatsisname's user avatar
  • 2,425
3 votes
3 answers
9k views

Running 100 amp line to detached garage

I found lots of questions about this, but with many different answers. I'm looking to run a 100 amp line from my 200A main breaker box to a subpanel in my new detached garage. The run is about 120 ft....
shaddow's user avatar
  • 213