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Hey guys: Friend of mine recently had his house rewired, AM3 CU etc, nice neat pucker job & all certified.
Anyway over the last few days he's been having a new heating system installed on a Green deal.
Went over for a cuppa earlier & the contractors sparky was there to wire everything up.
He was taking a spur from the RFC which isn't a problem, boiler is in the main bedroom. Would have been better to drop down into the CU 4' below but hey not a biggie.
The bit I found strange was that he was coming out of the FCU, he then fitted a 30a 30ma rcd . When I asked why he was doing this, the answer was simply that Green deal says they have to fit an RCD no matter what.
Anyone got any idea why ? it's totally pointless to me.
I could understand it if there was no RCD in the CU but every circuit in the house is RCD protected.
 
Hey guys: Friend of mine recently had his house rewired, AM3 CU etc, nice neat pucker job & all certified.
Anyway over the last few days he's been having a new heating system installed on a Green deal.
Went over for a cuppa earlier & the contractors sparky was there to wire everything up.
He was taking a spur from the RFC which isn't a problem, boiler is in the main bedroom. Would have been better to drop down into the CU 4' below but hey not a biggie.
The bit I found strange was that he was coming out of the FCU, he then fitted a 30a 30ma rcd . When I asked why he was doing this, the answer was simply that Green deal says they have to fit an RCD no matter what.
Anyone got any idea why ? it's totally pointless to me.
I could understand it if there was no RCD in the CU but every circuit in the house is RCD protected.
Did they not mean the circuit had to be covered by an rcd so in effect fitting a separate rcd module wasn't necessary?
 
Hi Ian: Thanks for the reply.
According to the sparky I spoke to, they have to fit an RCD to the boiler supply on every install whether the circuit is already covered or not.
 
Hey guys: Friend of mine recently had his house rewired, AM3 CU etc, nice neat pucker job & all certified.
Anyway over the last few days he's been having a new heating system installed on a Green deal.
Went over for a cuppa earlier & the contractors sparky was there to wire everything up.
He was taking a spur from the RFC which isn't a problem, boiler is in the main bedroom. Would have been better to drop down into the CU 4' below but hey not a biggie.
The bit I found strange was that he was coming out of the FCU, he then fitted a 30a 30ma rcd . When I asked why he was doing this, the answer was simply that Green deal says they have to fit an RCD no matter what.
Anyone got any idea why ? it's totally pointless to me.
I could understand it if there was no RCD in the CU but every circuit in the house is RCD protected.
Even more strange, if he had to add the RCD protection, why not just use an RCD Fused Spur?
 
Ian, It gets to us all in the end buddy.
Totally agree with you, to me it's totally pointless & a complete waste of money. As I say it surprised me, as did not coming Direct from the Dedicated 10a MCB that had been left in the CU for it.
 
Last edited by a moderator:
sounds like a one size fits all solution to cover the arses of the people in charge.
The easiest way for a big operation to ensure that every job Which needs RCD protection gets it


Another case of it says so on my diagram so I must do it. Should have called him an idiot.

It's probably not him who is the idiot but the people above him.
 
It gets to us all in the end buddy.
Totally agree with you, to me it's totally pointless & a complete waste of money. As I say it surprised me, as did not coming Direct from the Dedicated 10a MCB that had been left in the CU for it.

Installing a new circuit would mean doing an EIC, whereas this way it's just minor works so it's quicker. also it may be a standardised way every job is done much like the RCD.
 
Maybe its being fitted under ECO 2 funding which is the energy company obligation for reducing CO2. Some of the big 6 sub this to firms and provide a spec and they spot check about 1 in 5 installs. I used to get about 30-40 heating systems a week out of eco but the prices were tight so ended up kicking the contract in to touch. As part of the spec all pipework had to be cross bonded....It used to infuriate me but it was part of the spec. I was looking at an article the other day and was astonished to see that carbon savings were reaching £120 per tonne...They must be making a load of money from these boiler installs at the moment.

Price of carbon soars to £120 per tonne at auction | News | Inside Housing - http://www.insidehousing.co.uk/price-of-carbon-soars-to-120-per-tonne-at-auction/6525902.article#
 
Asked my mate about the test sheet when I spoke to him a few minutes ago, so far he has only been given the paperwork for the heating system. Nothing for Electrical.
 

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