Joining the Renewable Heating Hub forums is completely free and only takes a minute. By registering you’ll be able to ask questions, join discussions, follow topics you’re interested in, bookmark useful threads and receive notifications when someone replies. Non-registered members also do not have access to our AI features. When choosing your username, please note that it cannot be changed later, so we recommend avoiding brand or product names. Before registering, please take a moment to read the Forum Rules & Terms of Use so we can keep the community helpful, respectful and informative for everyone. Thanks for joining!
Last seen: Aug 8, 2026
Erm... that's the point I'm making. Earthing can't "become TN-S" unless there is a separate earth wire in the feed cable. Perhaps the author is si...
Hmmm. That's not what the author is claiming. You can't implement an earthing arrangement which is always TN-S (ie based on Separate Earth & Neu...
I want to run this past my DNO engineering manager. That article states The earthing arrangement of most EESS in island mode, where the installati...
Can you clarify those interesting comments please @rob99 ? Does that point about MCS also apply to your proposed PV & Battery installations?If y...
Victron operate in the renewable-energy theatre in the same way as Apple do in digital electronics. It's well designed and expensive.Once you go dow...
Yes @astranger you're ok to use the Growatt SPF5000ES with no solar, and it can't export.There's also an SPF6000ES announced, but it's only had a limi...
I may not appear to be responding directly to what you post @steevjobut I am reading every point you've written to ensure that I cover it within my on...
Let me provide the background detail which shows the electricity supply used for the majority of the UK population. Protective Multiple Earth (PME) ...
I've run those pole numbers (and variations thereof) through NGEDs entire database of substations and that pattern of naming doesn't occur @steevjoSo ...
Ah yes - I can see it: Rear of Steevjo's Field - Code? - Couldn't Arrange 1 😉 So what's the number on the next pole?
There will still be a substation number plate on that pole. Every pole on the grid is numbered, even if it has no transformer and no wires currently...
If you gave me the ID number of your local substation, I can actually check the 440v feeds from it to see what earthing is already installed by WPD/NG...
- 27 Forums
- 2,738 Topics
- 64.3 K Posts
- 788 Online
- 7,143 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: Electricity price predictions
Nationally-based Demand Flexibility makes little sense....
By Transparent , 13 minutes ago
-
-
RE: Has anyone seen this problem before? Huge anticycling times
Oh dear. Glad it was replaced. I have been mighty imp...
By JamesPa , 7 hours ago
-
RE: Can I start an argument about buffer tanks please? 🙂
Dont, just adjust the LSVs to get different temperature...
By JamesPa , 17 hours ago
-
RE: Heat pump running costs – what has actually worked for you?
I installed the air source heat pump in January 2026, i...
By bobflux , 20 hours ago
-
RE: Grant Aerona Air to Water R290 6.5 kW - Quiet Mark and Silent Running
Thats all interesting. DHW on my Vailant seems to respe...
By JamesPa , 1 day ago
-
RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
One of the other mods has just reminded me that @ashp-b...
By Majordennisbloodnok , 1 day ago
-
RE: PV and battery long payback - sense check query
@old_scientist I have now drafted 2 replies - both have...
By DavidB , 3 days ago
-
RE: Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handle: adrian Manufacturer: Appliandirect.co....
By Adrian , 3 days ago
-
RE: Acond heat pump failed after four years - diagnostic quote £940 plus VAT
@downfield Thank you Downfield. This sounds potenti...
By Mia , 4 days ago
-
RE: Digest of UK Energy Statistics
@jeff Yes my brother in Oz told me of that charge year...
By Jancold , 4 days ago



