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by danny001
Sat Jul 19, 2008 7:19 pm
Forum: Electrics Forum
Topic: size of cable and consumer unit help
Replies: 14
Views: 62882

hi, thanks for the reply but does the garage unit need to be rcd type reason i ask is that i have a spare 32amp mcb in my home unit and its on the rcd side can i run the 4mm cable of this 32amp mcb and to the garage unit to the 100amp or will the fact that its already rcd on my home unit ok also i h...
by danny001
Sat Jul 19, 2008 9:08 am
Forum: Electrics Forum
Topic: size of cable and consumer unit help
Replies: 14
Views: 62882

size of cable and consumer unit help

hi, iam interested in running a power supply to a shed i have i will want only 1 light and 2-3 sockets i will have a grinder and a table saw in the shed,and more want to had later my question is what size cable should be used i have read a few post and one says 4mm is not enough for 2x 32amp + a 6am...
by danny001
Wed Jul 09, 2008 2:55 pm
Forum: Electrics Forum
Topic: cable for pump help
Replies: 4
Views: 2634

pump

hi, thanks for the reply, i have a friend who has a pool in his rear garden and wanted to install a pump and the only info he emailed me to ask was that on the pump its says 30amp ( i think he may of got this wrong ) he has 2.5mm swa from his house to his shed and that just runs a few lights and a s...
by danny001
Mon Jul 07, 2008 6:27 pm
Forum: Electrics Forum
Topic: cable for pump help
Replies: 4
Views: 2634

cable for pump help

HI, iam having a pump fitted and have a question if anybody can help, i have a 2.5 cable swa from my home to a shed and i need to install a pump, i have been told the pump ia a 30amp and need to know if the 2.5 cable is ok for the pump, i have access to a new 17th ed book but dont know where to look...
by danny001
Sun Jun 15, 2008 8:51 pm
Forum: Electrics Forum
Topic: electric bell wired into 16amp mcb
Replies: 3
Views: 4588

Hi
thanks for the info i have had periodic inspection reports done and its says that

protective device over rated for the cable - part of circuit wired in 1mm flex

the mcb is a 16amp and this feeds a radial circuit and a bell is also wired into the mcb which is 1mm

thanks
by danny001
Fri Jun 13, 2008 9:17 pm
Forum: Electrics Forum
Topic: electric bell wired into 16amp mcb
Replies: 3
Views: 4588

electric bell wired into 16amp mcb

hi,
i need some advice on a electric bell,
i have ssen a bell wired straight in a 16amp mcb which also controls a radial curcuit
i can see how this is correct should the radial be at 20amp amd can some tell me what the bell should be in

thanks
by danny001
Fri Jun 13, 2008 6:18 pm
Forum: Electrics Forum
Topic: FA PANEL
Replies: 5
Views: 2948

hi,
tha alarm panel has around 6 red cables coming out of it and one white 3core flex which i believe is the power to the unit

thanks
by danny001
Mon Jun 09, 2008 5:03 pm
Forum: Electrics Forum
Topic: FA PANEL
Replies: 5
Views: 2948

Thanks ericmark + sparx

it helped to know that now its done in fp100
and the fact that the fa panel is very old - i would say around 10 years would be why it is done in 3 core flex

would this need to be changed asap or is it ok untill it is time for a change
thanks
by danny001
Sun Jun 08, 2008 6:46 pm
Forum: Electrics Forum
Topic: FA PANEL
Replies: 5
Views: 2948

FA PANEL

HI, general question if anybody knows a FA PANEL ( fire alarm ) what should it be wired in someone said to me as long as it is the right sze of cable 1.5mm or 2.5mm it is fine but i also was told it should be a fire proof cable ( i cant remember the name sorry ) but i was told its red does it matter...
by danny001
Sun Jun 08, 2008 5:08 pm
Forum: Electrics Forum
Topic: external earth loop impedence to high
Replies: 8
Views: 15482

hi, iam going to ring the supplier on monday and try to get them in so they can have a look when they do there own reading which i think they will. i know the present reading is 3.62 but what is a reading which is accepable for the tn-s system is there a web site i can look at or something i can pri...
by danny001
Sun Jun 08, 2008 9:01 am
Forum: Electrics Forum
Topic: external earth loop impedence to high
Replies: 8
Views: 15482

Hi, i will contact the supplier as this seems the best option at the moment, someone else mentioned the 300ma rcd to replace the main switch but the tenent in the shop does not want to have the tills tripping out and that would cause them problems someone said to me you could increase the size of th...
by danny001
Sat Jun 07, 2008 6:44 pm
Forum: Electrics Forum
Topic: external earth loop impedence to high
Replies: 8
Views: 15482

what are earth leakage trips

hi.
what are earth leakage trips
are they a type of mcb that can be use
thanks
by danny001
Sat Jun 07, 2008 5:30 pm
Forum: Electrics Forum
Topic: external earth loop impedence to high
Replies: 8
Views: 15482

ZS ZE READINGS

hi, thanks for what you have said it is interesting, the system is a TN-S the ZE reading is 3.62 no sure if this info will help but in one of the sections that says Zs reading above 100% of max Zs so too high for disconection in the req time - this reading is for one of manyand is for some shop ligh...
by danny001
Sat Jun 07, 2008 8:56 am
Forum: Electrics Forum
Topic: external earth loop impedence to high
Replies: 8
Views: 15482

external earth loop impedence to high

hi, i have a report which has a few problems listed 1 being external earth loop impedence to high - can any body say how this can be brought down also on several mcbs the report says zs reading above 100% of max zs so to high for disconection in required time can anybody tell me what that means and ...
by danny001
Mon May 26, 2008 11:38 am
Forum: Electrics Forum
Topic: KA FAULT LEVEL STILL TO HIGH
Replies: 5
Views: 3576

hi,
i have got in another company to do a reading and they are going to explain the report to me after,
they seem a lot more willing to help then the first company

thanks for your help again
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