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  1. grumpyjohn01

    Connecting a Sunhouse SSHE070 storage heater

    I was thinking you could make something up with a wireless transmitter fired by the off peak supply coming on then a receiver switch on each heater with a contactor or SSR to supply the storage part of the heater, would be clunky though and probably unsightly, unless you figured a way to build...
  2. grumpyjohn01

    Connecting a Sunhouse SSHE070 storage heater

    Just been looking around for a customer and I can't find any traditional restricted-supply only NSHs available to buy new, they all seem to need 2 supplies. Makes you wonder why they couldn't have a single unrestricted-supply and some kind of wireless signal when the off peak kicks in.?
  3. grumpyjohn01

    Bend 90°?: 1.33" thick power cable with 7" length from wall?

    As a fan of NYY-J cable for outdoor applications that don't require armour this stuff looks like it could be handy for larger sizes within buildings as according to the specs min bending radius is 4 x cable diameter, any reason we shouldn't use it in the UK? I have to admit when calculating...
  4. grumpyjohn01

    Best way to improve EPC rating

    To be fair, the laws of physics not withstanding, some of them do have reasonably sophisticated controls, even ai (hot topic) learning, occupancy sensing, open window sensing, better thermostatic control of room temp not heater temp, app control etc. Not worth the premium imho over the £19.99...
  5. IMG_20230127_153750_240(1).jpg

    IMG_20230127_153750_240(1).jpg

    • grumpyjohn01
    • Media item
    • Comments: 0
    • Category: Electrical Videos
  6. grumpyjohn01

    Looped supply through garage? Look ok?

    Interesting that this should come up because I've got WPD (ok national grid) coming on Friday to look at a similar situation at a job I'm in the early stages of. In this case 2 supplies coming from 1 fairly new cutout. Tbh I don't think I've ever seen this before in my area and the guy at NG...
  7. grumpyjohn01

    Best way to improve EPC rating

    I was personally in the same situation as I live in a privately rented house but have 'looked after' the property electrically etc for most of my tenancy. There was no solution I could find as I do not have E7 and I understand it is now difficult or impossible to get a suitable tariff if you are...
  8. grumpyjohn01

    New rewire and fuse board - views on work.

    I have only fitted 1 Hager SPD board and it was supplied with no earth lead just the galv bar which links the 2 earth terminals and is fixed to the metal case by screws or rivets (can't recall)..It seemed odd to me but there was no further info in the paperwork. Connection to outgoing side of...
  9. grumpyjohn01

    I'm thinking of suing can he go bankrupt?

    Hasn't he just wired the incoming and outgoing cables straight across the fuses rather than through the isolator?
  10. grumpyjohn01

    Maximum permitted Zs question

    A bit of a classic instance of too much information on the Test Sheets imo (plenty of others). Hard to explain to a client if its not just a case of 'this numbers bigger than that number' and something thats easy to look up for any skilled person that needed to know and probably in many cases...
  11. grumpyjohn01

    How to use an extractor fan with a dimmer switch?

    I'd be very interested in this 'hack' too...
  12. grumpyjohn01

    How to use an extractor fan with a dimmer switch?

    https://www.ebay.co.uk/itm/334046529742?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=nsOGghIJQV-&sssrc=2047675&ssuid=PQvrU8f4QmW&widget_ver=artemis&media=COPY Have used these , but from memory not trailing edge so won't work with some (most?) LEDs
  13. grumpyjohn01

    Type 1 SPD and over head lines

    Yes, been having this d*ck around recently as well, having to tell a customer their 5 year old CU is hopelessly out of date because 63A type AC RCDs no SPD etc managed to get them to agree to RCD swapout and Type 2 SPD but the type 1 was the straw that broke the camels back..! No option to fit...
  14. grumpyjohn01

    OSG, BS7671 regs book, Guidance Note 3, Testing & Inspection exam prep books for sale as a bundle

    Would be interested in these if you still have them. John
  15. grumpyjohn01

    Honeywell AFDD’s for HMO

    Seems to suggest AFDDs available...exclusive to Eddies
  16. grumpyjohn01

    Honeywell AFDD’s for HMO

    https://www.installeronline.co.uk/honeywell-launches-metaclad-cp-consumer-unit/
  17. grumpyjohn01

    Do Wylex RCBO's fit as a replacement for NSB MCB's?

    There are definitely 2 types of RCBO available in the 'full height' format (confusingly iirc both with NHX part numbers. ) and only 1 fits the balcony busbars properly although the cover is then hard to fit as it is slightly mis aligned. The compact types definitely do not fit. Go with what...
  18. grumpyjohn01

    Do Wylex RCBO's fit as a replacement for NSB MCB's?

    Despite that chart which I have seen before, I have personally fitted dozens of boards in the mid 00's (so well before 2018) that had the 'cage' type busbar, I think , if memory serves, that they were special order populated boards for social housing projects.
  19. grumpyjohn01

    Remove and hide this

    I think you are right, I was wondering about the holes in the wall.....may have been done by an ambitious wet pants, if so original cable may still be wired in somehow? OP needs to check with proper voltage tester.
  20. grumpyjohn01

    Remove and hide this

    I reckon its an old roomstat probably still wired in to the c/h controls or is just getting a ghost voltage on OPs voltstick, have you had a wireless / smart stat added?

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