Fuse spur cable requirement

[reillyjason1]

Hi All, an electrician has used 1 / 1.5m cables to power 3 fuse spurs that will power 3 intruder panels. Is this cable size correct, if not can any please point me in the right direction where i can find this in the Regs. With thanks

 

[chronyx]

Unless they have ovens built in I can't see why not.

 

[Amp David]

Are they spurred from a 30/32amp rfc?

Should be in 2.5mm according to BRB

 

[telectrix]

as long as they're protected accordingly. e.g. 10A MCB

 

[Des 56]

Hi All, an electrician has used 1 / 1.5m cables to power 3 fuse spurs that will power 3 intruder panels. Is this cable size correct, if not can any please point me in the right direction where i can find this in the Regs. With thanks

What you will find in the regs is tables of current carrying capacities of cables and installation methods that may affect those values

The estimated load will probably be extra small
He has most probably installed what he believes is adequate,so what is the problem

 

[reillyjason1]

The security installers have said it should be 2.5 cable and the 1 / 1.5m is the wrong cable. The plumber has also said he feels that the spur powering the boiler is wrong sized. Just need to know who is right and who is wrong, while there is time to change the cable is required.

 

[reillyjason1]

The security installers have said it should be 2.5 cable and the 1 / 1.5m is the wrong cable. The plumber has also said he feels that the spur powering the boiler is wrong sized. Just need to know who is right and who is wrong, while there is time to change the cable if required.​

 

[telectrix]

as long as the cable is fuse/mcb protected cordingly, and is capable of carrying the load, no problem. if he's tapped into a ring final, it will need a FCU at the poit of connection into the rfc. same applies to the boiler. thats generally only a 3A FCU.

 

[Sickmick]

Security panels usually use a very small current, as do boilers. If you don't trust the electrician then why are you using him?

 

[smp]

Hi,

What size mcb are they being fed from and total load of each panel. Should image basic alarm panel no more than 3amp. if from 6a mcb don't see it being a problem. A socket can be fed in minimum 1.5mm from ring main so long as they are fused down to 13a at the spur off point. (OSG under heading fused spurs/non fused spurs)

 

[telectrix]

alarm panels are < 1A. generally internally fused .

 

[Octopus]

Hi All, an electrician has used 1 / 1.5m cables to power 3 fuse spurs that will power 3 intruder panels. Is this cable size correct, if not can any please point me in the right direction where i can find this in the Regs. With thanks

Unless you can confirm the "source" circuit which these "spurs" come from and the rating of the MCB protecting the circuit further comments aren't going to be too definitive!

As for the plumber if its the "load" side of the spur and its going to be 13a max I can't see a problem.