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Thread: Wiring the Shed
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2nd January 2011, 10:10 PM #1Novice
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Wiring the Shed
Was wondering if anyone might be able to point me in the right direction with regards to wiring my shed.
At present, there is a 32amp breaker located in the Main Fuse panel, which through 6mm wire feeds a double 15-amp plug in the shed.
At the moment I am just running extension cords off it to the various bits and pieces I run in the shed.
Was planning on installing either a series of Powerpoints or a sub-panel.
Just wanted to make sure that I had worked this out properly before I started the job.
So...............
3-wires going into the recepticle, Black (Neutral), Red (Hot) & Green/Yellow (Earth) - if I wanted to run a series of Powerpoints I could just run them in sequence from this Powerpoint right - this powerpoint and any after it would only be able to give me 32amps, so once that limit is hit, the breaker would kick in back at the Mains Fuse Panel.
Or...............I could run these three wires into a Sub-Panel - Neutral and Earth wires to their respective busses to power them, then the Hot wire to the Breaker Panel Buss to power it,
Then, if for example I wanted to add a powerpoint exclusively for the welder - I would add a breaker and run the three wires from the Powerpoint into the Sub-Panel, hot to other side of the new Breaker, earth and neutral to their respective busses.
This correct?
I am missing anything with the wiring of the Sub-Panel?
Because.................
I have wondered around the net and keep coming across Yank sites that say there should be two "Hot" wires, a ground and neutral (4 wires) into the Sub-Panel - but I only have three, why would there be two "Hot" wires?
I figure that I am limited by the breaker on the Main Panel at 32amps, so don't know if there is a lot of point in putting in Sub-Panel unless I wanted to make sure that I couldn't put more than a certain amount of power through a specific recepticle.
Love to hear from someone who knows how to wire a shed!!!
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2nd January 2011 10:10 PM # ADSGoogle Adsense Advertisement
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2nd January 2011, 10:20 PM #2Senior Member
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find a electrican, tell them what you want, dont do it yourself
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2nd January 2011, 10:36 PM #3
All electrical instalations in the ACT have to be installed by a licenced Electrican.
End of story.
Judging by your questions I don't recomend you even think about doing it your self.
RegardsHugh
Enough is enough, more than enough is too much.
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2nd January 2011, 10:52 PM #4Deceased
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Actually tomorrow I'll be doing the pre wiring of my daughters workshop and wiring up a shed is not very difficult, but doing it incorrectly could electrocute someone. Not necessarily you but one of your loved ones who may inadvertently touch something that's wired incorrectly.
As I firmly believe that if you have to ask how to do it you're not qualified enough to do it so that's why you should employ an electrician.
Peter.
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2nd January 2011, 11:43 PM #5Novice
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Wow even a disclaimer...................
Thanks for the helpful advice.
So is there anyone about that has a clue about this subject want to inject themselves into the conversation ?
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2nd January 2011, 11:47 PM #6GOLD MEMBER
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3rd January 2011, 12:03 AM #7
Hey There,
I found a Tame Sparky who told me how to do the monkey work, (Running Conduit, and Securing Power point bases and mounting the Fluros on the Roof Beams) then he come in and connected everything, saved me about 9 hours of his charges,
HazzaBIt's Hard to Kick Goals, When the Ba^$%##ds Keep moving the Goal Posts.
Check out my Website www.harrybutlerdesigns.com.au
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3rd January 2011, 12:29 AM #8
http://www.ess.govt.nz/templates/Mul...____18598.aspx
(Link is giving me a server error at the moment - it should resolve itself in a while)
This is the 'How to do it yourself' guide to DIY electrical work in New Zealand (the NZ part of AS/NZS3000, so their electrical system is the same as ours).
NZ started allowing homeowners to do their own work in the mid 90's, leaving Australia as the only first world country (that I can find) that still has it as a restricted trade.
It should give you a good general outline (as well as terminology other than the weird american ones!!...just ignore the Maori terms!!).
If you know how to use bittorrent, you can also get a lot of info by downloading the 'aus electrical and telecommunication rules' torrent.
If you are really, money spendingly keen, pop into your local TAFE bookstore and pick up the two part Electrical Wiring Practice, 7th edition (Pethebridge and Neeson)
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3rd January 2011, 07:23 AM #9SENIOR MEMBER
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First what are you running that will need 32 amps?
Ross
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3rd January 2011, 08:41 AM #10
So why do electricans have to serve a 3 year apprenticeship and TAFFE corse and then sit a 3 part licence test to get a licenced, if anyone can just brouse the net and buy a couple of books?
Wake up to your selves and think about it.
Like any other subject the more you find out about it the more you realise how much you still need to know.Hugh
Enough is enough, more than enough is too much.
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3rd January 2011, 08:57 AM #11Novice
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Good stuff Master Splinter - I will look through that Link!
I was actually thinking of doing that with the TextBooks - I am a TAFE student in the evenings working my way through a Engineering Cert, so maybe I could get a discount on the books.
First what are you running that will need 32 amps?
When I got the sparky to install the fuse, cable and Powerpoint to the shed it needed a section of the conduit burried under concrete for various reasons, so I wanted to go overkill because it is a bit tricky to change the thickness of the cable afterwards.
I was pushing for 50amp's and 10mm wire - but the Sparky said I will be fine with 6mm and 32amps, and so far, he has been right.
So..................
Was thinking I prefer the idea of just adding in a few Powerpoints instead of a Sub-Panel. That seems over the top. Therefore, I am right to just tee off and run in sequence a few additional Powerpoints from the original Powerpoint?
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3rd January 2011, 09:18 AM #12Senior Member
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If you electrocute someone you go to jail, if your house or shed burns down as a result of your electrical work your house and contents insurance is void. Simple, don't be tight. Yes it is a simple job, but do you know how to electrically test the circuits once connected to ensure that it complies with section 8 in the rule book? It is not worth the risk.
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3rd January 2011, 09:48 AM #13
Hi
After reading through the NZ Regulations you are not allowed to make any work live All you can do is the running of the wires , positioning of the power points ,however it must be connected to existing circuits & checked /signed of by a qualified Electrician
So please heed all the advise you receive & get an Electrician involved with with any
electrical before & after you do any thing your self
Just my thoughts on this subject
Cheers Rod
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3rd January 2011, 11:18 AM #14
While you are buying the books get a copy of the ASA3000 wireing rules.
You will probably ignore them but at least you will know when you are pushing your luck.
There are many things outside the rules that work, that is why other countries rules are so diferent but the experts on the various pannels draw them up so that every one in their country is on the same page and know what the guy before has done. Changing circuits outside the rules is a recipy for future desarster or at least problems.
You wanted some one who has a clue on the subject, today is the aniversary of when I sarted my 5 year apprentiship on 3 Jan 1956 and went through all the tests to get my ACT licence in 1983 when I came to Australia so I could have a clue or two which I suspect is more tham some who are advising you to ignore the rules.Hugh
Enough is enough, more than enough is too much.
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3rd January 2011, 11:38 AM #15
I'd go with what HazzaB suggested - find a tame sparky who is happy to have you do the grunt work (running conduit, cables, etc.)....then he comes in and does all the terminations, etc.
Best compromise IMHO
You save a bit of money, and nobody gets hurt......
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