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Joined: Jan 20, 2022
Last seen: Mar 12, 2026
Profile Activity
Topics: 16 / Replies: 3072
AllTopicsReplies
Reply
RE: Heat Pump Fuse Type

O-oh! Let's take this as an opportunity to 'pass the word' about bi-directional RCBOs onward to the professional electrician community!

2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Buying large amp bidirectional RCD and RCBO

I can answer that point! 🙂 DC breakers have a pair of magnets either side of the arms which have the contacts at the end. When the contac...

2 weeks ago
Forum
Energy Storage
Reply
RE: Heat Pump Fuse Type

Well spotted @jancold - It depends when that RCBO was installed of course. The Amendment to the 18th Edition of the IET Wiring Regulations isn't ret...

2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Safety update; RCBOs supplying inverters or storage batteries

Not quite... Correction required! Those discussions here on the Forum related to bi-directional RCBOs. @bobflux is writing about RCDs.That's a dif...

2 weeks ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Screed Boards (like Gypdeck Structural 18mm Board) or standard flooring

This is right up my street @sjc123456789 I have installed suspended floors with UFH in my own home in several stages: The majority of my floors...

2 weeks ago
Forum
Insulation
Reply
RE: Heat Pump Fuse Type

I'd agree that Lewden are attempting to comply with BS7671 534.4.6. There's a discussion about this very point here on the IET's own Forum. Althou...

2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Electricity price predictions

Prior to the Ofgem SCR of May'22 Generation Companies were required to contribute towards all grid upgrades required as a consequence of them being gi...

2 weeks ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Renewables & Heat Pumps in the News

UK Power Networks, who have the Distribution Licences to run the grid in London & SE England, are being taken over by the French Utility Company, ...

2 weeks ago
Forum
Renewables News
Reply
RE: Heat Pump Fuse Type

@jancold and @ga3_usr - have checked the Lewden manufacturer's leaflet for their Anti-surge devices, and they do indeed state a 40A MCB in series 'for...

2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
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