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So all the people at NFPA that come up with codes just do it for fun? The codes are there for reasons. I'm not saying I agree with all them but AFCI do serve a purpose. Obviously its your home and you do as you please but people should be aware of what could happen if you do not follow certain...

As i suspected there is an equipment ground as well as a neutral and hot. You would need to install a neutral bus in the panel and terminate the neutral there. it. It should not be connected to main breaker in your shed panel like you have. You will also need a ground rod at your shed panel.

The diagram is beyond confusing. Do you have the neutral and ground bonded at the barn? That is very wrong. I don't understand how a licensed electrician would not know this. This is what your installation should look like. 2-Hots (Red and Black) 1-Neutral(White) 1-Equipment ground (green)

Sounds like your neutral is connected to a 2-pole breaker. Also be sure to proving proper grounding at the shed since it is a separate building. You will need a grounding rod. Refer to NEC 250.32.

bump it up

I been reading a few threads on here with people suggesting to try different brand breakers. This point is hardly ever mentioned. To add to this panelboards are given a UL listing based on the entire assembly including circuit breakers. By using a different brand circuit breaker from the...

Where is the feeder for the shed coming from? Is it coming from the CH beaker panel? Are you getting 240V across the hot and neutral?

Not sure who you are dealing with but I can tell you how it works with Con-Ed in NYC and Westchester County. First, you can not tell Con-Ed how much service you need. You have to submit a load letter of all your loads and they will determine what service you will get. That being said, I can...

I just got a new tool box and did some cleaning up and have a bunch of sockets I no longer need. Prices do not include shipping or paypal fees. I can make package deal for everything. Shoot me message with any questions. Impact sockets: SK 1/2" drive 18mm Swivel impact socket $25 Proto 1/2"...

Just be careful with selective coordination. Not sure what size your main is in the main panel but if its 200amp and you are planning to put a 125amp breaker in there, it may not coordinate. So if your 125amp trips, it may take out the 200amp as well. Might be best to use a 100amp.

Technically speaking for a continuous load of a 100 amps you should be using a 125amp breaker based on NEC. However in your situation you will probably very seldom see the full 100 amps do what you have should be ok. I think what you have should be fine for voltage drop. Like others have said...

I have never done it that way before. Im not sure if that makes alot of sense. I think if you have a 200 foot run and your maxing out #14s (well over 5% vd) then i would just give it its own circuit at that point. You can run a 20amp circuit breaker with the #12s if you desire but a 15amp should...

I think what you are looking for is a voltage drop chart or voltage drop calculator. The way it works is the longer the run, the larger the voltage drop. Many times you will upsize to the conductor for voltage drop rather than coordination with a trip setting of a circuit breaker. This is not...

Yes that is true. You need provide proper bonding for the pool deck. Ill have to look it up in the nec as its been some time since i have done some work on a pool. What code does your state use 2011 or 2008?

This not necessarily true. At very high potentials 5,000 volts and above, you can die from arc flash. That is why you see large insulators and arc quenchers at these high voltages.

Be careful with large motor loads. The in rush current on large motors starting can kill an alternator. First thing i would do is find out what motor loads you actually plan on using on the generator. The other thing you want to check is what type of startors they have. Is it a soft start...

I think you just need a spread sheet totaling your loads. Often times the utility company will require a load letter to be filed to justify the service your asking for. Typically you would give them a list of the major equipment loads in KW as well as a watts per square foot total foe the...

If you are using the disconnect or safety switch as a local disconnecting means for the compressor you are fine. Disconnect switches come in certain frame sizes based on typical ANSI/NEMA standards. They can be fused to just about any size. So you could use a 30A switch fused at 20 amps if you...

Yup i work mostly on vw and audis and they are chuck full of hex, torx, and triple square xzn fasterners. The worst is when the hex bolts get so filled with dirt and grime the socket doesnt want to go into the bolt and you wind up stripping it out. Wish they would just use regular fasteners...

Hahah i hear you on that. I think when ul test it, they test the panel as whole with their breakers. The best is when i find contractors installing stuff that doesn't match what the approved shop drawings call for. So many times i find that they use the cheap chinese dimmer switches that are...