running house on generator

Submitted: Thursday, Nov 09, 2006 at 09:59
ThreadID: 39271 Views:7850 Replies:14 FollowUps:17
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We had the power out for a few hours last night and my father who is staying (squatting) in his caravan in the yard suggested we make up a power lead with a male fitting on each end, he said you can plug it in to a power point in the house plug in to generator and it would provide power to the hole house, I know you would have to turn off the mains in case power comes back on. Is this common practise & safe?. I know it would come down to generator size what you could run.
I asked him if he read this in the generators manual and he said NO SOME BLOKE DOWN THE PUB TOLD ME.
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Reply By: Member - TonyG (Qld) - Thursday, Nov 09, 2006 at 10:05

Thursday, Nov 09, 2006 at 10:05
Hi,

We had the following setup on our house when we were swapping over from single phase to 3 phase.

We were using a 5KVa generator

Get an electrician to connect a lead into the back of the circuit breakers via an on off switch.

Plug the end of the lead into the generator and turn on

Turn on the switch. This will provide sufficient power to run fridges, lights & tv. Do not run computers etc this way.

We still have the lead in place, so everytime there is a blackout, we fire up the geny.

Hope this helps

TonyG
AnswerID: 203868

Reply By: tdv - Thursday, Nov 09, 2006 at 10:07

Thursday, Nov 09, 2006 at 10:07
This is not a good idea. You need to have an isolator switch installed so you don't zap a power worker working on the lines down the street!

I have a caravan style socket installed in my power box with a larger switch that isolates the mains power.

It was particularly useful after Cyclone Larry (no power for 14 days). My 2.5kva would run the lights and fridge and freezer plus the tv when they were able to transmit again. You just need to remember you have to turn off power hungry stuff like hotwater sytems and pressure pumps (i don't have mains water).

Cheers
AnswerID: 203869

Follow Up By: crewser - Thursday, Nov 09, 2006 at 10:22

Thursday, Nov 09, 2006 at 10:22
would turning off the mains switch isolate the power
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Follow Up By: Member - Andrew (QLD) - Thursday, Nov 09, 2006 at 11:51

Thursday, Nov 09, 2006 at 11:51
A generator providing emergency power must satisfy various State electricity supply requirements including having a permanently mounted changeover switch able to isolate between the mains supply and any "emergency" supply. Even though it is considered unsafe, you would find in most cases that the generator circuit breakers will more than likely trip immediately if someone just wired the generator into the household system illegally as any load in the power system eg. next door neighbours power supply, would be connected also.

From memory, emergency supplies are limited to 15A (3.6kVA) before permanent wiring methods are required.

It is absolutely stupid for anyone to suggest that two male plugs on a lead is safe!

Andrew
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FollowupID: 463571

Follow Up By: Kiwi Kia - Thursday, Nov 09, 2006 at 20:12

Thursday, Nov 09, 2006 at 20:12
And the change over switch aint cheap ! It has to be a special type that 'breaks' all house lines before 'making' the generator lines (and vice-versa).

As for the male plug sugestion ! Just think of it like parking in a tow zone at peak hour, DON'T, or it will cost you big time and perhaps even face very serious charges.
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FollowupID: 463665

Follow Up By: Member - Andrew (QLD) - Thursday, Nov 09, 2006 at 20:19

Thursday, Nov 09, 2006 at 20:19
tow zone?...peak hour?.....

you must get out of the big smoke more :-)

Andrew
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FollowupID: 463667

Follow Up By: Kiwi Kia - Thursday, Nov 09, 2006 at 20:36

Thursday, Nov 09, 2006 at 20:36
Hi Andrew ( from Malmeck). Yep, I retire permanantly in six weeks. Had a good job for many years, I was bribed to join the company when I started and after many years service bribed to leave ! Some bean counter called it restructuring, I call it a lottery win! Going to throw away all my 'official' trade licences (so no one can ask me to do work for them) and just keep the vehicle, airplane and fishing ones. Already fully planned two trips of about 5,000 km each from Perth and Adelaide next year. Met another guy from this forum last week over here (NZ) from Brisbane for a Golden Oldie rugby tournament, he has a camper and it is snowing where he is at the moment! Can't wait to come over for some sun.
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Follow Up By: Member - Andrew (QLD) - Thursday, Nov 09, 2006 at 21:05

Thursday, Nov 09, 2006 at 21:05
Lucky b@stard :-)

The snow's a bit soft in North Queensland at the moment.......

Don't forget to spend some time in working out the fishing rules in each State......very confusing when travelling.

Andrew
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Follow Up By: Kiwi Kia - Friday, Nov 10, 2006 at 11:39

Friday, Nov 10, 2006 at 11:39
Thanks Andrew, I know about speeds etc. but had not thought about fishing rules.
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Reply By: Member - Teabag (Queanbeyan) - Thursday, Nov 09, 2006 at 10:16

Thursday, Nov 09, 2006 at 10:16
Never make up a Power lead (Extension Lead) with two male plugs.....This is down right dangerous and asking for big, big trouble......If you plug into your power source then the other end of the lead is live and exposed for you to touch......Don't do it.....For the record work in the Electrical field......
AnswerID: 203872

Follow Up By: crewser - Thursday, Nov 09, 2006 at 10:25

Thursday, Nov 09, 2006 at 10:25
Thats what I told him, I told him you could buy leads with to male sockets it comes in a suicide kit.
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Follow Up By: Member - Andrew W (SA) - Thursday, Nov 09, 2006 at 17:42

Thursday, Nov 09, 2006 at 17:42
thank God - I am having heart palpitations at the thought that he might be making this puppy.

I had - I mean have thank god - a good friend who accidentally made up a very long cord with two males ... was working on the tennis court down the back ... rolled out the cord running it through his cupped hand until he got to the end of the cord and began frying himself - burning his hand to bits and bouncing him around like you wouldn't believe.

Quick thinking wife saw her lights doing stupid things and wondered what was going on and pulled the cord - the only reason he is alive today.

Even if you play safe with such a thing some unthinking progeny or relative of yours is likely not to know anything about it and end up fried.
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FollowupID: 463623

Reply By: Member - Phantom (WA) - Thursday, Nov 09, 2006 at 10:58

Thursday, Nov 09, 2006 at 10:58
Gee Cruiser,
I almost killed my spa repairer by doing that. I wired up my remote control and put a male plug onto the cable to go into a power surge protector. Forgot all about it until this bloke unplugs it and shorted it against the gas pipe. Came round the side of the house shaking like you wouldn't believe. I wouldn't do it again!
Steve
AnswerID: 203876

Follow Up By: Member - Cruiser (NSW) - Thursday, Nov 09, 2006 at 13:01

Thursday, Nov 09, 2006 at 13:01
Just so there is no confusion, the reply was directed at crewser, not cruiser.
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FollowupID: 463583

Follow Up By: Member - Phantom (WA) - Thursday, Nov 09, 2006 at 19:43

Thursday, Nov 09, 2006 at 19:43
My sincere apologies to Crewser and Cruiser. I always was a good speller and it is hard to spell incorrectly even when I have too.
Sorry,
Steve
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Follow Up By: Member - Cruiser (NSW) - Thursday, Nov 09, 2006 at 21:15

Thursday, Nov 09, 2006 at 21:15
No problem Phantom.

I only made the comment because I have noticed of late that there have been some variations on the same names on this forum and I didnt want any confusion in this case or in the future.
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Reply By: donks1 - Thursday, Nov 09, 2006 at 12:02

Thursday, Nov 09, 2006 at 12:02
are you nuts?????

death wish??????

looking for a cheap perm????

thats crazy talk.......don't do it

never take advise from p11ssed blokes at the pub
AnswerID: 203884

Follow Up By: Member - JohnR (Vic)&Moses - Thursday, Nov 09, 2006 at 13:08

Thursday, Nov 09, 2006 at 13:08
geez mate, some of my neigbours think that is the only advice. I'd agree with you though!
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FollowupID: 463584

Follow Up By: Pezza (Bris) - Thursday, Nov 09, 2006 at 17:37

Thursday, Nov 09, 2006 at 17:37
Damn, I bought my Nissan on "good advice" from a bloke at the pub, did I do the wrong thing ???

Pezza
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FollowupID: 463622

Reply By: TerraFirma - Thursday, Nov 09, 2006 at 12:38

Thursday, Nov 09, 2006 at 12:38
Re Gennie to House: Certified Electrician and an Isolator and a once over to ensure safety. The Bloke at the Pub is famous for disasters, especially after a few beers..! LOL
AnswerID: 203889

Reply By: Member - Jeff M (WA) - Thursday, Nov 09, 2006 at 13:01

Thursday, Nov 09, 2006 at 13:01
A far better way is to just hookup the genny to a powerboard and just plug in items you wish to run. :-)

I run my entertainment system (tv, amp blah blah and computer's/network gear) off the sinewave inverter in the car, all I need is an extention cord from the car, a double adapter and then plug in the existing powerboards for those two areas. Only takes a second to do and it's safe and effective.
AnswerID: 203893

Reply By: Motherhen - Thursday, Nov 09, 2006 at 14:58

Thursday, Nov 09, 2006 at 14:58
Follow Geoff's advice - cheap and simple. We bring out the Genny for essential items in power failures occasionally, but with only 1 and 2 kva Gennies I have not tried running something like the fridges, certainly not a whole house.
Motherhen

Red desert dreaming

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AnswerID: 203908

Reply By: ross - Thursday, Nov 09, 2006 at 19:35

Thursday, Nov 09, 2006 at 19:35
It does work and its also how a caravan electrical system is except they have the male end on the caravan but its dangerous and illegal to connect power without a lic
As Jeff said just plug everything into a multi board.
AnswerID: 203976

Follow Up By: Member - Andrew (QLD) - Thursday, Nov 09, 2006 at 20:29

Thursday, Nov 09, 2006 at 20:29
I'm not sure what you are saying.....i just hope it isn't implying that it could be done or that caravans have a different plug arrangement.

Andrew
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FollowupID: 463670

Follow Up By: ross - Saturday, Nov 11, 2006 at 20:11

Saturday, Nov 11, 2006 at 20:11
Well it does work ,its just the 2 male ended extension lead is dangerous.
Caravans have a male plug on the outside so you can plug the lead and electrify the circuitry.
Its not an uncommon thing to be done when the power has been off all day after a cylcone or some other catastrophe.
And I dont recommend it for the record;)
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FollowupID: 464071

Reply By: crewser - Thursday, Nov 09, 2006 at 20:51

Thursday, Nov 09, 2006 at 20:51
I could not believe it when he suggested to do this (2 male plugs) and I told him he must have a death wish, I just wanted to know if anyone knew of anyone stupid enough thats done it, you have to keep an eye on them old fellers, He`s the same bloke that thinks its ok to tie your load on your roof racks with the cheapest cable ties you can buy,
AnswerID: 203998

Reply By: John R (SA) - Thursday, Nov 09, 2006 at 21:00

Thursday, Nov 09, 2006 at 21:00
For what it's worth, it was going to cost around $1k to install a three phase input to the shed.

Single phase ought to be much cheaper, and well worth it. Particularly as it seems to me that power supply is getting rather more erratic!
AnswerID: 204006

Reply By: 666toy - Thursday, Nov 09, 2006 at 23:54

Thursday, Nov 09, 2006 at 23:54
It works fine better than loosing all your tucker in a emergency. just make sure that your isolator (mains) is shut off & major power items are turned off . preferably run lead from a safety switch as used on construction sites . Do not overload & keep lead well out of harms way when not in use . I have done this on many occasions & am still here to tell the tale ...
AnswerID: 204048

Follow Up By: Member - Andrew (QLD) - Friday, Nov 10, 2006 at 06:45

Friday, Nov 10, 2006 at 06:45
Yep, you are right....it is far far better to save some food in an insulated fridge than kill yourself and/or your family by doing something stupid

Andrew
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FollowupID: 463753

Reply By: Muzzgit [WA] - Friday, Nov 10, 2006 at 01:02

Friday, Nov 10, 2006 at 01:02
I've thought about doing this a couple of times, but all I was going to do was run a lead from the gennie outside, into to the fridge & freezer.
AnswerID: 204056

Reply By: Member No 1- Friday, Nov 10, 2006 at 15:29

Friday, Nov 10, 2006 at 15:29
bloody idiot your old man is
do not put two male fittings on each end of an extension cord....

if you do this and someone gets injured I reckon you should be taken to task for attempted murder.

AnswerID: 204132

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