Electrician Help Please.

[FarmerPug]

The copper bar is the busbar that joins the mcb's to the main breaker or rcd.
Frank you haven't got an rcd fitted in that board, are you going to wire one in series before the dizzy board or squeeze one in there? Your lighting circuit should not be rcd protected but everything else is.
BTW your incoming is 2.5mm, you want to watch that! Run another cable in parallel back to the feed point to turn it into a ring. Also check what size breaker the spur to the shed is coming off; there's no point wiring up 32's in your new board if the feed is connected to a 16!

Isnt the trip thing an rcd?
The incomming is 2.5 is that bad, do you mean use 2 wires for the main wire?

I dont know where the spur is, i havent got power to the shed yet, at the moment i just use an extension lead from the house.

[teamster1975]

Isnt the trip thing an rcd?
The incomming is 2.5 is that bad, do you mean use 2 wires for the main wire?

I dont know where the spur is, i havent got power to the shed yet, at the moment i just use an extension lead from the house.

That switch is the main breaker, an rcd has a test button on it.
RCD's test for current leakage between neutral and earth whereas mcb's check for shorts between neutral or earth & live.
Yes; if you use two cables for the incoming feed you're doubling the current capacity. This is all dependant on what you're using as a supply and how it's fused. Ideally you should run your feed from the main distribution board on its own breaker.

[FarmerPug]

Do i need an RCD, arent they just for electric lawnmowers if you cut the cable?

[lozz]

Do i need an RCD, arent they just for electric lawnmowers if you cut the cable?

No mate theyre there for anumber of reasons,

overload and cuts in cables,
they will save you from Electrocution

my work shop /garage as them and my old garage im pulling down best having them for peace of mind,
mine have never tripped but atleast iknow im safe ido alot of grinding and welding

[FarmerPug]

my old shed never had one, although in my grannys house where i got the power from the outdoor plug it did have a trip with a test and reset button.

[lozz]

my old shed never had one, although in my grannys house where i got the power from the outdoor plug it did have a trip with a test and reset button.

its all down to what your using ithink mate,
if your using alot of things then a few wouid be needed,

ive never had any of mine trip there abit over the top the old fella who owned the house and garages before me was an Electrician ithink he must have had Lathe and other machines aswell the wiring etc looks industrial,

ithink atleast one trip for the power source your working from wouid be good enough,

lights etc wouidnt need one ishouidnt think ,

[Doggy]

You need an RCD to stop killing yourself if you inadvertently touch something live.

You need multiple RCD's so you don't break your neck in the dark after the first one saved your life, by tripping.

[FarmerPug]

One issue, the wylex box i have needs breakers and the local hardware shop doesnt do wylex, what sort of breakers will i need, will any wylex stuff off ebay do?

[DiscoPol]

will any wylex stuff off ebay do?

Noooooooooooooo!!!!!!

read back FP and you will see i offered my services on this before

Wylex has a number of different types of consumer units and distribution boards, you need the breakers for the range of board you have, otherwise they just wont fit properly, is there a label on the board somewhere? do you still have the box the board came in? did you buy it off the bay? if so do you have a link to the ad?

just give me some more info and i will tell you exactly which MCBs you need and then you can get em ordered up and away you go.


HTH Disco

[teamster1975]

http://www.tlc-direct.co.uk/

[FarmerPug]

this is the one i got:
http://cgi.ebay.co.uk/ws/eBayISAPI.dll? ... 1925wt_907

[FarmerPug]

Ill put an RCD before it comes into the consumer unit, therefore everything will be protected?
Im in the maze of MCBs now i dont know what to get.
how does this sound:
- 2 of these:
http://www.tlc-direct.co.uk/Products/WYNSB06.html
1 for the two inside lights which are tubes, and then the other for the 100w outdoor light.
- and then 2 of these:
http://www.tlc-direct.co.uk/Products/WYNSB32.html
for the plug sockets to the left and right.

i think this might leave 1 space on my consumer unit, could i squeeze the RCB in there?
in that case what size do i need.

[FarmerPug]

im still not sure on what to buy
the man in the hardware shop told me type b will do everything, you can get different sizes of type b, and that type c and d is for 3 phase

[FarmerPug]

Will them 2 things i linked to be ok, ive doubled up the main supply cable, just need to buy the MCBs and possibly the rcd. I just need to know if they are right. Please

[DiscoPol]

Ill put an RCD before it comes into the consumer unit, therefore everything will be protected?
Im in the maze of MCBs now i dont know what to get.
how does this sound:
- 2 of these:
http://www.tlc-direct.co.uk/Products/WYNSB06.html
1 for the two inside lights which are tubes, and then the other for the 100w outdoor light.
- and then 2 of these:
http://www.tlc-direct.co.uk/Products/WYNSB32.html
for the plug sockets to the left and right.

i think this might leave 1 space on my consumer unit, could i squeeze the RCB in there?
in that case what size do i need.

these are fine FP, as long as you dont plan on running anything too meaty from the sockets in the shed then this set up would be equivalent to what you should have in the house, but remember even if you have 32a mcbs in the shed but its still only fed from plug top or similar in the house you will only have 13amps or so to play with.
Best bet would to be to feed it from a separate MCB in the house or better still a stand alone board fed from the main incomer preferably with an RCD main switch.
You can stick an RCBO in that board you have on the outgoing side for the sockets, which hopefully would stop you frying too much if you decided to do something in the rain, or cut a cable by mistake(easily done with grinders and the like)
Maybe this one its a type "C" so slightly stronger on breaking curve (25kA instead of 15kA) but still with the same 30ma protection on the earth leakage side so better for stuff that has a high motor current surge at start up, welders, big grinders, drills, pressure washers well anything with a motor really.

Good luck with it all, but really you need to be thinking about where the power is coming from quite soon