Power to the shed

**man from uncle** · 1st March 2013, 09:54 PM

Here is my question and advice please.

i have a new shed installed but no electrical power. Equipment in the shed is mini lathe. Dust extractor, grinder, flourescent light, spot light, radio.

i am planning to wire up the shed but use an extension cable to power from an outside powe socket to the shed. That way I can just plug in when using the shed and remove the extension cable when not in use.
As I do not have an outdoor socket, I was thinking of wiring one to an existing socket on the inside wall. I.e just drill through the wall behind an existing socket connect up to an out door socket behind it.
Are there any likely issues with this arrangement ?

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**DavidG** · 1st March 2013, 10:13 PM

No problems. Have a sparky fit the o/s ppt and check the load.
Better solution would be to run a new 15A cct from the pwr brd, on its own RCD.

**BobL** · 1st March 2013, 11:49 PM

Before you go any further you need to add up the wattage of your lathe and DC and anything of high power that might inadvertently operate on the same circuit inside the house.
If that adds up to more than the current rating for the breaker you will have problems.

**artme** · 2nd March 2013, 11:26 AM

You can do this two ways:

1. The cheap way, in which case you could wind up in some bother.

2. The wise way> get an electrician!

**rwbuild** · 2nd March 2013, 01:23 PM

You have invested too much time and money to blow it all on DIY electrical.

If something dramatic went wrong, very high chance that your insurance would be null and void.

Much cheaper and safer to get a sparky and install a dedicated circuit to your shed

**Berto** · 20th April 2013, 09:22 PM

I maybe a little late in replying to this, but the short answer is GET AN ELECTRICIAN !
My dad had his shed wired like that when I was a kid, which I thought was pretty ingenious. Then I became an electrician !!!
If I knew then what I know now, I would've slapped him.
There are way too many variables in your proposed set up for anyone on here to give you the go ahead.
Most power circuits are run in 2.5mm cable which has a limit on the current it can carry.
If your house is older, then you may only have one power circuit for the whole house. Adding the shed to that, may overload the circuit and take out the whole house. SWMBO would not be impressed.

If your house is newer, then you may have multiple circuits, but they could be run in insulation, which will reduce the cables capacity further. Same result as above.
I could go on forever, but it is quicker, easier and safer for me to say DON'T DO IT.
If you have to ask then you shouldn't do it !!!!!!!!!!!!

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