Discuss Tell us about your faults! in the Australia area at ElectriciansForums.net

Re: Tell us about your faults !

Hi sorry need some advice. The bathroom in my lower ground floor flat has underfloor heating. the main fuse switch keeps tripping to it. sometimes this is immediate, sometimes it stays for a couple of minutes and then trips. Any idea? do you think the fuse just needs replacing or could there be a bigger probelm with the dimplex heaters in the underfloor?
any help appreciated.
 
Re: Tell us about your faults !

Called to a job that sockets were tripping the RCD.
after inspection, found that cables had been selo-taped together ( live to live , neutral to neutral etc ) under the floorboards and were arcing.
Builder did not have proper junction boxes etc to make correct extension to existing ring !!!!!
"Should have used maybe different tape" was the reply by the customer when I showed her what had happened !!
Cookoo !!! Cookoo !!!!!
 
Re: Tell us about your faults !

Called to a job that sockets were tripping the RCD.
after inspection, found that cables had been selo-taped together ( live to live , neutral to neutral etc ) under the floorboards and were arcing.
Builder did not have proper junction boxes etc to make correct extension to existing ring !!!!!
"Should have used maybe different tape" was the reply by the customer when I showed her what had happened !!
Cookoo !!! Cookoo !!!!!


hahahaha sellotape!
 
Re: Tell us about your faults !

Hi Dowsett,

Sounds very interesting. I would suggest you have the installation checked. You say that the main switch keeps tripping out and sometimes this is immediate, sometimes afetr a couple of minutes.
I would be interested to learn if it has an RCD and if this is what is being tripped. If it is then it would suggest that it is possibly an earth leakage issue which should be rectified.
As it happens over a couple of minutes also then there is an issue which is time related and this could suggest a fault occurring after the element in the floor has heated.
It would be best for you to consider employing a qualified electrician who is familiar with underfloor heating to check out the continuity and insualtion resistance of the system, having taken appropriate precautions for what is connected.
Hope this helps,
Best wishes
Rex
 
Re: Tell us about your faults !

I got called to a house to rectify a cooker circuit that had tripped and stopped working. Traced the fault all the way back to inside to cooker only to find an electrocuted mouse between live and earth.........nice!


Just out of interest, is IP2X or IPXXB large enough for a mouse to get into ??
 
Re: Tell us about your faults !

called to a house where sockets "going on and off".. found that a previous house extension some ten years ago, had piggy-backed a radial into the existing ring mcb. Final result being loose connection and almost a fire from the c.u.
Melted insulation and burnt mcb...!
however the other horror story is the bathroom lights powered off the old shower circuit 6mm cable, and still installed via 45amp mcb..!!!
 
Re: Tell us about your faults !

Had one ages ago. Split load board change. Wall lights in the lounge kept tripping the RCD, the lights not being on that side did cause some head scratching.
On further investigation it turned out he'd run T&E from the light switch. Obviously no neutral. Solution? Borrow one from the socket behind the wall! :rolleyes:

Still occasionally find a shower or cooker wired into the lights with 30A fuse wire in a 3036! :eek:
 
Re: Tell us about your faults !

My Mother wanted to know why 4 particular downlighters out of 30 downlighters keep blowing their bulbs.

Took them out to find the joist drilled almost all the way through, browned/singed wood.

Why oh why would you fit NON fire rated downlighters INSIDE a joist?????
 

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Re: Tell us about your faults !

A good few yrs ago my dad asked me to look at his immersion heater circuit kept blowing a fuse, strange i thought he doesnt have one.

Checked it all out, turned out the landlord had installed a shower off this circuit, but to my horror it,had been taken from a jb in the loft and extended in 6mm T&E. From 1.5mm feeding from the consumer unit.

The landlord did get it done properly, after i mentioned court of law, etc etc. funny how stuff like that works.
 
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