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What size SER and XHHW-2 do you use with a 200A meter base and a 225A load center (panel)?

This is a 310.15(B)(7) question. Generally, ampacity must be taken straight off Table 310.15(B)(16), rounding disfavorably. The 75C thermal rating is used, since the breaker panel is rated for 75C (...
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3 votes
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15A DF breaker keeps blowing at sub panel hot connection point

This sub 2 breaker is currently only connected to a 15A outdoor light switch with a 15A outdoor floodlight. Light grounding, bonding, and wiring are all good and run with 14/2. While a bad breaker or ...
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2 votes

How difficult is a fuse box replacement?

What it looks like to me is the fuse box is attached with conduit that’s your grounding path. There is black and red for your 240v and white neutral this electrically would meet code using the 10’ tap ...
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7 votes

How difficult is a fuse box replacement?

Well, I can see a few reasons why an electrician would say "I'm not touching it unless we make it a full-replacement job." Fully replacing that panel with one that's big enough to cover all ...
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5 votes

How difficult is a fuse box replacement?

OK, here's what I see going on: The main power is supplied via the breaker on the upper left in the breaker panel. That's a little unusual as normally there would be a main breaker on the top lugs. ...
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5 votes

Why are there only single pole circuit breakers in my home's service panel?

Analogy: If you need to pay a bill (in ye olden days of paper checks), you need to have a blank check in your checkbook and you need to have money in your account. There are two different issues that ...
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0 votes

How can I check if a tandem 20amp breaker is dead on one side

I would check at the box where you spliced the damaged wire is the power there? I have had apprentices have a similar issue with wire nuts and the splice did not make an electrical connection, it ...
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4 votes

Can this double breaker be moved?

There is no problem moving the breaker to another slot. I'd be more concerned about why it's not seating correctly in the first place. The exposed bus tab seems to be bent downward a bit and that ...
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1 vote

Upgrade subpanel

Your sub panel is listed for doubles 6/12 the problem I see is the main panel the largest breaker is 50 amps so there will need to be a change for the breaker and feeder, now comes the normal news for ...
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2 votes

Upgrade subpanel

Looks like you're on the hook for a new main panel Your problem is threefold. First, your main panel is full to the brim with double-stuff breakers, which means that there's no room for an EV breaker ...
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1 vote

Losing power slowly through the house

The answer from @Harper deals with the most probable faults. There is one more possibility - a major rainwater or other water leak somewhere in the house. Depending on a lot of factors, some leaks are ...
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5 votes

Losing power slowly through the house

Check for a "Lost Neutral" and "Lost Hot". If this is broken for your whole house, that is 95% likely to be a problem that the power company fixes for free. Of course if cost is ...
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2 votes
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why no hot bars for available breaker/circuit positions

You have a 16 space panel and you want the benefits of a 20 space panel. Unfortunately you or the last guy did not pay for a 20 space panel. This is the classic "HELP, I (or the last guy) ...
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1 vote

Does maximum amperage for a breaker change when using a 220V outlet?

The machine I'm looking at is 3 horsepower, which at 220V tells me that it would be suitable to run on a 15A outlet. That only works in watts. However, we provision circuits in VA. VA is volts x ...
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0 votes

Does maximum amperage for a breaker change when using a 220V outlet?

If the owner is willing to re-wire to suit your needs, you probably don't need to worry too much about the details. Just tell them what you need, and give them your machine's written specs. If your ...
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1 vote
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Does maximum amperage for a breaker change when using a 220V outlet?

One key, which seems to be missing here, is that there are no 220V receptacles typically in the US. Current voltage is nominally 120V for a hot-neutral circuit and 240V for a hot-hot circuit (which ...
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0 votes

What are the differences between GE arc-fault breaker models?

af2 is gray with black handle and black test switch, it can share a neutral in a three wire. very difficult getting them on ebay because packages get mixed up. im not sure what a afp2 is
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4 votes

Would knob and tube be used with modern conduit wiring?

I will answer some of your questions. A house can be partially rewired. A common example is a typical two story house with an unfinished basement and an old fuse box or old panel. You can upgrade ...
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1 vote

Splitting up electrical lines to kitchen

I think gas is great for a cooktop but not for an oven. You may want to consider sticking with an electric oven as gas has no real advantages over electric for an oven. You can replace a 30A double ...
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2 votes

Pool pump keeps tripping breaker

Look for the name plate on the motor and check the wiring diagram (if it has one) to see if the motor can be wired for either 120 or 240 volts. If so, you need to disconnect power and open the motor's ...
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2 votes
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Pool pump keeps tripping breaker

If a motor/pump is drawing excess power, something is jammed. Either the pump is defective, was put in wrong, or it has sucked something in besides water. Like your sock your dryer lost. It is like ...
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0 votes

Induction Cooktop Tripping Breaker

Inductive cooktops run using high frequency. the line voltage is converted to high freq. the electronics are usually powered all the time for instant on. You may have the controls turned off but there ...
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