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Started By
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re: OT Licensed Electricians... pros and cons of backfeed cord extensions
Posted on 10/5/17 at 11:09 pm to EA6B
Posted on 10/5/17 at 11:09 pm to EA6B
quote:
lineman was killed,
I've heard that the power running backwards through the transformer has the opposite effect that the transformer is intended. i.e. stepping power up to high voltage instead of stepping down to 110/220v
0
Posted on 10/5/17 at 11:10 pm to caill430
Kill your main breaker. Backfeed is fine after that. When power is restored, kill all breakers, shut off generator, switch on main breakers and other breakers. You should be fine.
frick Evil and Liz because apparently that's okay in a relationship...profit. Don't forget to video and upload! And accept the guilt you fricking man!!!!
frick Evil and Liz because apparently that's okay in a relationship...profit. Don't forget to video and upload! And accept the guilt you fricking man!!!!
Posted on 10/5/17 at 11:21 pm to CHEDBALLZ
quote:
Pull your meter and hook it up there.
Posted on 10/5/17 at 11:23 pm to Redlos
Waste of time and money. No idea why people do this
Posted on 10/6/17 at 1:15 am to caill430
It's been a while since I had a circuits class. Could someone explain the danger in what the OP is talking about?
In my mind, as long as I cut off the main switch between my house and the power-line coming into my house, would the house not then be its own independent circuit? As long as you feed it with AC, and don't over load the pathway between the source and the breaker, what would be the hazard?
Note - I have zero plans of ever doing this. It sounds ghetto as hell (this is the first I've ever heard of someone wanting to do this). I know enough about science to admit when I don't know enough about something to frick with it - and home electricity is one of those things.
I'm just curious as to the reasoning behind the danger.
In my mind, as long as I cut off the main switch between my house and the power-line coming into my house, would the house not then be its own independent circuit? As long as you feed it with AC, and don't over load the pathway between the source and the breaker, what would be the hazard?
Note - I have zero plans of ever doing this. It sounds ghetto as hell (this is the first I've ever heard of someone wanting to do this). I know enough about science to admit when I don't know enough about something to frick with it - and home electricity is one of those things.
I'm just curious as to the reasoning behind the danger. Posted on 10/6/17 at 2:58 am to SlapahoeTribe
quote:
It's been a while since I had a circuits class. Could someone explain the danger in what the OP is talking about?
The OP is suggesting a male to male cord, which means that the exposed prongs on the cord have the potential to be live when one side is plugged in. It’s very dangerous. I’ve seen people wire in breakers/fuses into the cord as a means of disconnect until both sides are plugged in.
There’s also the other danger being discussed regarding backfeeding in general. Without a transfer switch or interlock kit, if the main breaker is left “on”, the generator voltage will travel back through the utility lines, through the transformer, and be stepped up in voltage. This is incredibly dangerous to the lineman working on a line he has ensured is isolated from the utility side.
As mentioned throughout this thread, spend a little bit of money and do it right for everyone’s safety.
Posted on 10/6/17 at 3:17 am to Cajun Slick
quote:
white man's cord
Wait...what?
Posted on 10/6/17 at 3:30 am to caill430
Just install a single manual transfer switch in place of your main switch and put a plug on one inlet, cheap, idiot proof, and you will not hurt anyone.
Posted on 10/6/17 at 4:05 am to caill430
Though you're a little late, get someone with experience to do a box for you properly... It's not that expense...or difficult...
And like all the safety gurus said on here, make sure your main breaker is turned off...
And like all the safety gurus said on here, make sure your main breaker is turned off...
This post was edited on 10/6/17 at 4:09 am
Posted on 10/6/17 at 5:38 am to caill430
quote:
I am tired of running extension cords through the house during power outages and came across making a male to male backfeed extension cord that you can run through the dryer outlet. I get the fact that the male is live and you can get shocked, but is it an option that will give power to entire house (except for my large appliances)?
At a minimum get an interlock kit and backeed through the breaker. I have one these on my house.
Interlock Kits
Posted on 10/6/17 at 6:04 am to AndyCBR
I did the back feed setup on my house for my generator. Now, I did it with the help of a relative who is a retired electrician. The only thing that I didn't do was the interlock kit. But rule 1 is,"Turn off the main breaker! " My generator is 5500 watt so it's enough to run everything that is 110.I turn off all of my 220 beakers. I tested it and worked perfectly. The cost was in the $200 range.
Posted on 10/6/17 at 6:11 am to caill430
R.I.P. OP
Posted on 10/6/17 at 6:22 am to caill430
frick you and your suicide cord. You're gonna kill a lineman and get sued into bankruptcy
Posted on 10/6/17 at 8:16 am to caill430
quote:
I was looking for an options other than running wires or dropping 5K
Great. Your life, your family's lives, and potentially the lineman's life are worth less than $5k to you.
Do it. Won't be a great loss to the rest of us.
EDIT: I'd cry for the lineman.
This post was edited on 10/6/17 at 8:17 am
Posted on 10/6/17 at 8:23 am to caill430
quote:
looking for an options other than running wires or dropping 5K
Priced a funeral lately?
This post was edited on 10/6/17 at 8:37 am
Posted on 10/6/17 at 8:33 am to Crowley Cajun
I've done some jank backfeed jobs directly into the breaker box with a generator running indoors and a box fan ventilation system and shite. You can make stuff happen safely in a pinch if you know what you're doing. If you don't know what you're doing you could potentially kill somebody 3 miles away trying to turn your lights back on.
One thing I highly recommend is that if you're ever in a situation where you HAVE to do it (elderly people's house who have to have power or something), don't do the double male plug thing. Put a male on one end and a 220 breaker on the other end, and put it directly in the panel. At least that way, nobody will unplug the wrong end and blast themselves.
Like I said earlier, if you have to ask any questions about it, than don't do it. It's not going to just shock somebody, it's going to kill somebody.
One thing I highly recommend is that if you're ever in a situation where you HAVE to do it (elderly people's house who have to have power or something), don't do the double male plug thing. Put a male on one end and a 220 breaker on the other end, and put it directly in the panel. At least that way, nobody will unplug the wrong end and blast themselves.
Like I said earlier, if you have to ask any questions about it, than don't do it. It's not going to just shock somebody, it's going to kill somebody.
Posted on 10/6/17 at 8:52 am to Hammertime
quote:
An interlock kit for your box
Any recommendations on one of these?
Posted on 10/6/17 at 9:09 am to caill430
Just buy a manual transfer switch, take the hour or two it takes to install it, and be done with it. No chance of killing a linesman or your family with one of those.
Posted on 10/6/17 at 9:36 am to BiggerBear
Yeah, check to see if your box manufacturer makes one. They are usually nicer and higher quality. Mine didn't have my exact box in stock, so I had to order one from Gen Interlock. Not as nice, but does the same thing. It's just a chunk of aluminum
quote:Transfer switches are expensive. That's why people don't want to use them. You can just use your main breaker and a $40 interlock kit and accomplish the same thing
Just buy a manual transfer switch
This post was edited on 10/6/17 at 9:38 am
Posted on 10/6/17 at 10:49 am to EA6B
quote:
but there is potential to back feed your power grid and kill a lineman.
Why don't these linemen check the line for power before grabbing...it literally takes 30 seconds and probably quicker with equipment they likely have. In no way am I excusing the frick stick who back fed power...but you simply cannot trust that everyone will do what the should and that you will be safe. Each and every time I mess with electrical....I kill the breakers, and I still put a meter on it, I've ran across a breaker that somehow was still allowing a little bit of voltage through in the off position. You as an individual are the one most responsible for your safety each and everyday. If that was my job, a lineman, I would absolutely check the line every single time, unless I was geared up for working with a live line. That's one of those things that you just absolutely never trust and take for granted.
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