Last seen: Jan 13, 2026
Whether the outer metallic braid of the mains incomer is covered by an insulated layer (Polyethylene or Bitumen), it remains the case that the actual ...
I foresee a new business opportunity. I can start a new company to survey rental homes and replace old light-fittings with an LED unit at £5000 each...
The usual type of underground cable with a metal 'outer' is Steel Wire Armoured.This has an external Polyethylene (or XPLE) layer outside of the steel...
I too think that the Solis earthing diagram is confusing. As I see it the situation is this... We commonly have circuits which are protected by an...
I think their response is genuine, and becoming increasingly common amongst DNOs...... with the possible exception of UKPN in SE England. DNO's also...
That might be the case. But I think we'd need a link to such an instruction before we can follow that up. I have provided an additional earth for ...
My apologies @jamespa - I read what you'd posted here and had assumed that you were querying the designation of TN-S on the certificate, and the ...
@papahuhu the build up of ICE is a widespread problem.There are consumers complaining from New York to Minnesota and Chicago. Greenlanders are equal...
No. That's uncommon. It goes back to the days when homes had a separate off-peak meter. As I wrote below my diagram, a separate isolat...
For a TN-C-S (PME) supply the earth to each property is provided via the neutral wire.Your house earth connects to the Neutral at the Service Fuse. ...
I haven't previously met the concept of the local grid being fully self-diagnostic. The DNO Engineers have a device they can attach to the wires whi...
Latest Posts
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RE: Ecodan Pump Issues… Circulation pump turns off when heat pump compressor turns off
@jamespa sorry James, yes larger surface area, messing ...
By ASHP-BOBBA , 4 hours ago
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RE: Advice for a novice on Mitsubishi Ecodan 6kW
In the Home Assistant firmware the data points...
By F1p , 4 hours ago
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RE: GSHP WOES! Midland based engineer recommendations?
@johnbroome if it is not the pressure in the expansion ...
By ASHP-BOBBA , 5 hours ago
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RE: Installer Fitted 9kW Instead of 11kW Heat Pump and Changed MCS Paperwork - What do I do?
In recent cold weather th...
By JamesPa , 5 hours ago
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So I hear the export MPAN that UKPN assigned should be ...
By Batpred , 7 hours ago
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RE: Recommended home battery inverters + regulatory matters - help requested
From what I read, the Solis has a very long list of err...
By Batpred , 8 hours ago
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RE: Ideal HP290 14kW ASHP - how to optimise
Roughly this should cost you £250-£300 per peak month a...
By ASHP-BOBBA , 9 hours ago
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RE: New Daikin 11kW Altherma 3M install - is it working as it should?
@toodles Thank you for your input. As the days have got...
By Synthbuilder , 12 hours ago
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RE: Fan unit Making terrible noise HELP!!
@gutoffowc Oh no, sorry to hear that, are you in the Ke...
By ASHP-BOBBA , 14 hours ago
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RE: Sunsynk Whole House Backup Issue
@sheriff-fatman - could you please re-post that in the ...
By Transparent , 15 hours ago
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RE: Running my new Nibe ASHP efficiently
I didn't. I spent a while manually messing around with ...
By jamieheatpumpnew , 17 hours ago
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RE: I’m glad the cold spell is over!
I comparison with the 65kWh used above yesterday was on...
By Judith , 17 hours ago
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RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
I should think so, I thought that pretty much universal...
By JamesPa , 18 hours ago
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RE: Setback savings - fact or fiction?
I'm also inclined to look into how a defrost is actuall...
By cathodeRay , 18 hours ago
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MLCP (Multi-Layer Composite Pipe) for ASHP
@editor nope. The info you reported was sufficient for ...
By iotum , 1 day ago
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RE: Experience - New Build / Complete New Heating System
@vincro I would be surprised if it is much above 5 to 6...
By ASHP-BOBBA , 1 day ago
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RE: Post-Traumatic Heat Pump Stress Disorder
Yes bang on and maybe I can illustrate that by way of e...
By iotum , 1 day ago
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