shower problems


Postby dougal » Thu Jun 21, 2007 11:46 am

i have just fitted a new shower to existing cable and plumbing, at first had no problems but, two weeks later the 30 amp fuse blew so I replaced it as it was about eleven years old so i thought problem solved,but one week later that one blew aswell,any ideas as to what ive done wrong?
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Postby Jeffmo » Thu Jun 21, 2007 10:42 pm

please give watts of shower and possible size of cable used .Then ideas will be forthcoming .Regards Jeff
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Postby sparx » Thu Jun 21, 2007 10:54 pm

HI check rating of new shower, ie each kWATT DRAWS ABT 4.2Aso if new one over7.5kW. it will melt fuse to protect circuit cable, thats its job!, regards SPARX
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Postby dougal » Fri Jun 22, 2007 9:29 am

ive cheaked the rating its 10.5Kw does that mean I need to put in new cable
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Postby sparx » Fri Jun 22, 2007 7:56 pm

Hi agn Dougal, Most likely needs larger cable, isolator sw also may only be rated for 30A, 10.5 X 4.2A = 44.1 Amps so no wonder fuse melted!
If you are in England this is controlled service under part P of bldg regs so not DIY legally, regards SPARX
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Postby dougal » Fri Jun 22, 2007 8:11 pm

ok thanks sparx will get a pro in to do the job thanks for advice.dougal.
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