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There is quite a list of people who are dead because they had that mentality. I'm sorry I gave you good advice that you don't like, I won't waste my time on your questions in the future.

Any cable labeled HPN should be rated for 300V. It is likely that the maker of these cords rates them lower because the molded plastic plug on the end of them only fits into a 120V outlet. I'm...

First of all stop touching live wiring, you're lucky you aren't dead. Second, the neutral wire carries current and current will flow through all available paths back to its source. Different amounts...

Did you turn the breaker to the off position before trying to turn it back on? If that doesn't work then just spend the $3 on a new breaker. Even if it was the contractor's fault, which is unlikely,...

My money is on the lamp being 250W and the ballast being 400 or 1000W.

I was repairing some pole lights once and the boss told me the last guy had one he couldn't get working. It had the same...

That really depends on what the existing outlets are. If they are bathroom or small appliance circuits then no you cannot. Just about anything else and yes you can.

You may not have to run a white with the red but it is a good idea to do so. I'd have to know which circuits the black and red wires are before I could tell you if it is even OK to not run another...

Sure, make him do his own research TK. Here is a little help.

I think you will find it is not about the lift or lights at all but is about the classification of the area they are located in.

Cutler-Hammer does have breakers that are UL certified to fit 6 other manufacturer's panels. GE is one of them. The only way to know if you can use a different manufacturer's breaker is to do the...

Switches don't have wire nuts, they have screws. Screws are only good for a single wire which is why hkstroud suggested you to use a wire nut and pigtail.

I think Stan was asking what kind of tester you used. Was it a Multimeter, Non-Contact voltage detector, Receptacle tester or something else?

You have an electrician do a load calculation. There really isn't a better way.


There are online utilities for load calculations but I have never used them and therefore cannot recommend them.

OK

The neutral wire from cord goes to the wires connected to the screw shells of both sockets.

Hot from cord goes to one side of switch.

Other side of switch to the remaining wires on...

There really are only two ways to do it... correctly or incorrectly. ;)

Seriously though, quite a bit more detail is on order as others have said.

If after 5 years this guy doesn't have an answer then I doubt he really wanted one.

It could also be possible that they were doing estimated readings and then you took a hit when they did an actual reading, likely as the result of some change such as the account being transferred...

424.3(A) says two things about electric space heating in dwellings

1. If you have only one heater outlet on the circuit the circuit size can be whatever size you need.

2. if you have multiple...

Is the neutral wired to the 240V GFCI breaker like it should be or directly to the neutral bar? If your breaker does not have a place to wire the neutral then the breaker will not work for this...

There is nothing in the NEC that I know of preventing you from using 14AWG copper wire and a two pole 15A breaker for this circuit.

It's 2500W/240V = 10.42A
10.42A*1.25=13.03A

You would be...

A slight nitpick but the original poster is correct on the ampacity of 14 AWG copper wire. The fact that the code limits the overcurrent protection to 15 amps does not change the ampacity listed in...

How many amps does the motor draw? What is the amperage rating of the switch? What size circuit is it? Even with a failing motor I would expect a properly rated switch to last long enough for the...

An electric fence charger must have it's own grounding system.

Here is a guide to the how and some of the whys that go with them.
Electric Fence - How To Install

The answer to your first question is yes, it is allowed. It is good that your sparky sense was tingling and telling you it's not the best idea.

To answer your second question, unless the 3 prong...

Tell her you got the electric fireplace so she wouldn't have to chop and haul firewood. Yes, I'm kidding.

What type of wire did you run to feed your subpanel?
Is it rated for wet conditions?

#2 aluminum wire is undersized for this application. You really need 3 #1 aluminum THWN with a #6 aluminum...

I'd call the garage door guy. Sounds like you have power and it's just the opener pulling enough current to trip the breaker. The most likely cause is the door being out of adjustment and binding up...

With only the information you provided it appears that Cable 3 is the homerun for a multiwire branch circuit. Basically, two circuits on separate phases that share a neutral. So think of it a two...

#8 is not large enough for a 100 amp service. You need the 2/0 running the full distance. It blows my mind that the "electrician" would even consider using #8 for this. It was fine for your old 40...

That's a 24.5 cu. in. box
Each 12AWG wire needs 2.25 cu. in. so there is enough room for 10 in that box.

Your current box fill count is 7
4-12AWG current carrying conductors originating from...

I hesitate to say the book is wrong but the NEC to my knowledge does not limit the use of table 310.15(B)(6) due to temperature.

On the other hand, there is a code about not exceeding the...

This link should give you exactly what you need.

Pigtail Connections - Make Pigtail Wire Connections

Extension cords are neither designed for nor intended to be a permanent wiring method.

If you were required to apply those correction factors to the ampacities in table 310.15(B)(6) then your methodology would be sound. However, the correction factors apply only to the table they are a...

You and me both stan. My mind is thinking one thing while I say something else pretty regularly. Of course I am obligated to complain when someone does what I said instead of reading my mind and...

I must respectfully disagree with stanfortyman on one point.

#6 copper is the right size for the equipment grounding conductor per table 250.122

One small problem that may or may not apply to Canada.

Fixed electric space heating equipment is considered a continuous load. 4000W at 240V is 16.67 amps. The max continuous load allowed on a 20...

There is nothing wrong with room B. It's just on the same circuit as room A and you disconnected it's neutral wire while working on this.

In room A, Connect the two loose whites to the fan white...

Hots and Neutral should be 6 AWG THWN and Ground can be 10 AWG THWN.

You could technically use 3/4 PVC conduit but I'd recommend 1 inch for easier pulling.

I'd put a pull point in that conduit...

The code is 410.23 of the 2005 NEC Polarization of Luminaires (fixtures). Neutral is required to be connected to the shell.

Check the wire for a rib along it's length. You may not be able to see...

Separate the black and red wires. Then cap them off individually.

TK is correct, you should have just called in some help when he gave you the answer.

If one of the hot legs to your home has a loose connection and your water heater is on you could measure...

I'll start by saying this...

Since you have access to a code book check out 680.26 Equipotential Bonding. If you don't understand that section of the code then you need to start thinking about...

Also keep in mind that there may not be a cable in that box that runs to the light. The wire may run back to box A where it is then connected to a cable running to the light.

The best I can do is give you what evidence I know of that it is not based on voltage.

310.15(A)(1) allows for the use of a formula to find conductor ampacity under engineering supervision. That...

Keep in mind that you need a minimum of 18 inches between the top of the wires and the top of the driveway. If the old water line isn't deep enough you can't use it.

If it is deep enough I'd cut...

A picture might help, your description of the current setup is a little confusing.

Yes, but it likely involves running new wires through the wall and ceiling. Can you open up the switch and tell me what wires are there? Turn off the circuit breaker before you do it please.

That type of tester detects voltage, not current(amps).

I suspect that if the grounding wires were connected in the panel the breaker would trip. You very possibly have a connection between the...

I think I would just put the fans on their own switches and use 3-ways to control them. I hate the added noise of a fan running when it isn't needed which happens when the fans are controlled...

If he used white conductors for hot in anything other than a cable assembly or flexible cord then he violated 200.7