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Gridswitch fuse spur?

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Discuss Gridswitch fuse spur? in the Electrical Tools and Products area at ElectriciansForums.net

M

Mike Blair

alright guys i have to get a 8 way grid switch but i have installed one. currently on a job where the electrician has left and i have taken over his job and has been a utter nightmare... there designer wants to use a 8 way grid switch 20amp double pole but someone was saying the fuses go in the back of the switch?!? never seen this i think hes confused! o_o
 
You can get fuse modules and/or flex outlet modules depending what exactly is needed. Of course they will take up a module each though in addition to the switch module!
 
You would have to specify your requirements more clearly.
Generally if you have a 20A DP switch then this is feeding a socket, for which the fuse will be in the plug so a fuse is not required at the switch.
If the 20A DP switch is not feeding a socket then is fusing down required, as the circuit should be protected at origin.
If you are switching four items then you can have both a switch and a fuse in the 8 gang grid.
I certainly would not recommend having fuses behind the switch plate as this is an inaccessible and inobvious nightmare.
 
could someone show me a grid with fuses and switchs i have never seen one tbh o.o thats why im confused as hell. and no one else on site "designer" etc knows -.-
 
No you feed to your fuse then from your fuse to the switch and then from the switch to the load. so in an 8way grid you could have 4 outgoing loads
 
Last edited:
For an 8 gang switch you could arrange things like this to provide witching and fusing for four items.
[ElectriciansForums.net] Gridswitch fuse spur?
and wire like this
[ElectriciansForums.net] Gridswitch fuse spur?
 
Personally I would feed the switch modules first and then the fuses. It means you aren't inserting or withdrawing a fuse into an energised carrier then if the switch is open.
 

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