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J

james king

hello.

jut a quick q on grid switches and what your ways to install them are..

eg. using 20A DP switches with a fuse next to it or just install a FCU to hard wire applience in, there for not fusing at the grid.

would you run it in 4mm, 2.5mm or 6mm radial or would you run it of the ring?

i would like to hear your thoughts as i have seen many many ways before
 
I have a question myself which I think fits this thread... Don't mean to hijack at all!

When you say the grid switch, do you mean the ones where it has a a single switch for each appliance? E.g. Dishwasher, Fridge, Oven etc.

Having never looked at the rear of the switch plate, how do you wire to and from these?

Are the circuits all installed as spurs from them?!
 
You link all the supply terminals together to keep the ring in tact or radial going and then just a single spur to the outlet for the appliance. They can be a little bit fiddly
 
First. I'll warn you, I'm half cut, so if admin take the huff, then oh well, I'll deal with that tomorrow !
Right, tell me, the posters above me, are any of you sparks ? Running a spur, through a 20a DP switch UNFUSED ! I've done something similar to this once, when I was an apprentice, even then I had the (half) sense to use a 32a dp switch !
Next, running a 6mm for a grid bank, again with no fuses, either means a low load with about a 150m run, or you haven't a clue ! If it's the second one, do yourself a favour, get yourself a QUALIFIED sparkie in !
 
@ryancheetham, four spurs, between two outlets ? Last time I looked at the regs, it was one spur between outlets, one off an outlet, and one at the board ! Oh, and each through a 20a dp switch, off do ring ?
 
personally when i am wiring kitchens i fit 20A flex outlet plates behind the appliances and a 13A switch fuse above the work top this way if it blows the fuse for any reason you dont have to move the appliance just change the fuse above the worktop and i have never come across a grid switch with the fuse holder in it too i will have to look out for them
 
mmmm i am reading posts here and wandering why you would run spurs through a 20A dp switch ? if you are coming off a 32 A ring spur it should be fused down how can you fuse down with a 20A dp switch should it not be down to a 13A switch fuse ? and if i was running to an appliance that needed 20A i would be fitting it with its own supply just like you would the water heater
 
personally when i am wiring kitchens i fit 20A flex outlet plates behind the appliances and a 13A switch fuse above the work top this way if it blows the fuse for any reason you dont have to move the appliance just change the fuse above the worktop and i have never come across a grid switch with the fuse holder in it too i will have to look out for them

So you install a 20a DP switch under the worktop to each appliance and a fuses spur above the worktop for each DP switch?

Also with these fuses spurs, do you wire these in as part of the ring or as spurs from the ring?

Sorry if these are stupid questions...
 
@VJS, mk do a fuse holder to fit their grids. The way I did it for remote switching 'other end of the kitchen) in this case, was mk eight gang back box, top for were said fuse carriers, bottom four were 20a dp switches. Cover plate being labelled accordingly of course !
 
FUSES ABOVE ! Never below. Acceptable is fuse carrier and switch side by side, but never above ! Sorry, pet hate
 
@vj AGAIN ! Are a sparkie ? Since when have you ever seen a '13a dp grid switch' ? If you've got one, a thousand pounds of my money is coming your way ! 10a, and 20a is a standard dp grid switch !
 
4 switches and 4 fuses below will not look good, run a 20amp supply in 2.5mm if need be run 2 to the grid and use un switched socket outlet for appliances at low level in adjacent cupboards.
 
4 switches and 4 fuses below will not look good, run a 20amp supply in 2.5mm if need be run 2 to the grid and use un switched socket outlet for appliances at low level in adjacent cupboards.

You would run this as a totally separate supply from the board?! Not off of the kitchen ring?
 
I assumed the fusing down was implied. To be honest ive only ever done the grid switching for below counter oitlets once and found it to be alot harder work than the usual fused isolaters above worktop in line with an outlet below the worktop. And i used click grid switches which come marked up for appliances and they do the fuse carrier modules to allow for fusing down
 
We do work for barratts homes, moriss homes, redrow and a load of other large builders and we always put the grid switches on a seperate 20 amp supply. If there is a utility we will also run a seperate one to here also.
 
what could be easier a supply to a grid, link your lives and then terminate into an un switched socket, simple all switching done in the same place!
 

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