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  1. M

    Recommend me a small CU with DP MCBs / RCBOs

    Delaying the install to fit an SBS compact dp rcbo board is a decision you would not regret
  2. M

    255V measured instead of 240V

    Report it, they will send someone out to check and investigate as it is over (slightly) the max permissable. They are having big problems keeping the voltages down within the 216-253V window due to microgeneration so I have been told
  3. M

    Relationship between coax splitter and amplifier?

    The only way you can definitively tell is with a tv signal meter. Signal strength is less important than it used to be, quality is the important factor. Your 40% strength 100% quality is better than my 35% strength 100% quality but in the absence of accurate measurement from a meter, this can...
  4. M

    Main earth sizing

    16mm is the DNO requirement for a pme system. The 'scientific' calculation is the adiabatic equation but you need to know what the DNO ocpd is
  5. M

    Spur from 32MCB

    If you look at appendix 15 you will see that you can spur from the origin in 2.5 which will negate the need for a 20A mcb as you suggested in your post 7
  6. M

    Deta consumer unit

    Could someone please advise on a suitable replacement (or where I can source new) 3 x 20A mcbs
  7. M

    Interruptions on some Freeview Channels

    Look up 'digital uk 700MHz clearance' for updates for your main or local transmitter. There is a lot going on at the moment as uhf tv frequencies are being freed up for mobile phone use
  8. M

    I Phone or Android

    Have been running the Mi ui for a few years now. Based on Android but very apple like (so I am told). These Xiaomi phones are more than equal to the Apple offerings apparently but at a fraction of the price. Now authorised in the uk so with full support
  9. M

    Is all CT100 aerial cable me equal? What's best for external?

    In the analogue days, cable quality was paramount. With digital transmissions it is not nearly so important. Additionally with all tv broadcasts gradually migrating down from the higher frequency bands (800mhz already gone and the 700mhz band currently being cleared) for 4,5 & 6G, attenuation of...
  10. M

    Nuisance tripping after splitting a ring main

    Attached is a scan of a map of a circuit I drew out. None of my initial readings pointed me towards what was going on but socket Zs readings were not as I would expect from an rfc (plus a few other things ringing alarm bells). Splitting the 'ring' at various points also produced some...
  11. M

    EasyCert alternative

    Electraform gets my vote
  12. M

    Extractor fan to timer type

    You need to check the instructions for this new fan, a lot require a 3 Amp fuse fitting
  13. M

    Radials V Ring mains

    I wouldn't do it either, now on a 25A is something I regularly do
  14. M

    Questions about choosing RCBOs

    I use SBS Live units in rentals/holiday cottages as a first choice. Single module double pole rcbos and very good value. However only sold to bona fide electricians
  15. M

    Live electrical xxxxxxx

    Another thing I like is 25A rcbos @£16 each. Only other manufacturer I know of is Eaton but not @ £16 or double pole
  16. M

    Live electrical xxxxxxx

    If it is the double pole single module compact rcbos, they are brilliant. You won't go back to anything else
  17. M

    Gas meter earth bonding

    I got pulled up on an assessment about 10 years ago. When I quoted this to someone later the reg had altered. Just done this search Routing main bonding alongside gas pipe - https://www.electriciansforums.co.uk/threads/routing-main-bonding-alongside-gas-pipe.17076/
  18. M

    Gas meter earth bonding

    That used to be the case and still was in the early 17th edition. It changed in ammendment 2 or 3 I believe
  19. M

    New consumer unit, builder says upgrade supply

    Gulls start their racket around 4.30 at this time of year. They are about the only negative from living where I do. A few years ago I would often be up around dawn, rig my board and have an hour or two windsurfing before I started the day.
  20. M

    New consumer unit, builder says upgrade supply

    You can tell all this from a photo? How can you tell what fuse is inside the 100A rated fuse carrier?

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