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  1. davelx

    RCD trip with Live isolated

    More likely you accidentally caused an NE fault when manipulating the cores, but not impossible. (GMTA )
  2. davelx

    Tall vs compact RCBOs

    Also many brand's compacts are bi-di
  3. davelx

    Editing DVD / .ts videos

    Shotcut is good but I prefer KDEnlive.
  4. davelx

    Fluoresent or LED

    My street was done about 8 months ago and the improvement in light coverage and quality over the old yellow sodium lamps is immense. In addition there is much less stray light both upwards and sideways. They did a one for one replacement of the existing lights, each one took about thirty...
  5. davelx

    Mystery Wire Switched Fuse Spur to Blank

    If there is only a single cable connected to the FCU then just remove that too. Then you can remove the unused back box, fill and decorate over.
  6. davelx

    Office 365 home

    Have you read the q&a on that offer. There's a severe restriction right at the bottom.
  7. davelx

    Measuring resistance with Ohm's law does not work with sensors because? Does anyone with knowledge about alarms have an explanation

    What I was getting at is that all power sources have internal resistance and the available voltage will be split across the internal resistance and the load. This will be the case even if the load is just a simple resistance. For example, suppose you have a 10V supply and a 1000ohm (1k) load...
  8. davelx

    Measuring resistance with Ohm's law does not work with sensors because? Does anyone with knowledge about alarms have an explanation

    How are you powering the circuit? The source impedance of the supply could be skewing the readings.. A diagram would be helpful
  9. davelx

    New skool phone wiring

    So it's not just me, then!
  10. davelx

    New skool phone wiring

    What I did was to get OR to install the NTE 5 with the unfiltered faceplate, then I ran a normal phone extension from that upstairs to where I wanted the router, where I installed a NTE 5 with filtered faceplate to which I could connect both the router and a phone. For the dowstairs phone...
  11. davelx

    What reasons for outdoor chrismtas led string lights not to work, even if electric signal detected?

    Those pens detect the presence of a voltage above a given level, not the flow of current.
  12. davelx

    How many wires for phone VOIP

    Not these days. Very few, if any, modern phones require the "bell" wire to "ring".
  13. davelx

    Requirements for new cooker?

    Minimally trained delivery persons following an instruction sheet with no understanding of electrics
  14. davelx

    Home LAN access to a device...

    Not clear to me that there are any "incoming" connections. If the PI and the browser are on the same local subnet, then after the initial ARP query to determine the local MAC address of the Pi, no traffic goes through the routing function, only through the built-in wifi AP and switch. If the Pi...
  15. davelx

    Broadband and telephones

    I was about to make that same point. When directly connected your laptop has a globally visible IP address and is open to port scans and all sorts of attacks.
  16. davelx

    Broadband and telephones

    Excellent! That may not work for other ISPs though.
  17. davelx

    Broadband and telephones

    What makes you say that? DHCP is just the mechanism for the router to get its WAN address. It still needs the correct data link protocol, but a router may be abke to negotiate that. A PC almost certainly can't, which is why your original statement about a single device required qualification.
  18. davelx

    Broadband and telephones

    And what, exactly, do you believe the function of DHCP to be? It is NOT a data-link protocol. Hint - it stands for Dynamic Host Configuration Protocol I'd suggest you do some reading: https://www.waterstones.com/book/interconnections/radia-perlman/9780201634488
  19. davelx

    Broadband and telephones

    Only if said device supports PPoE and you know how to configure it.
  20. davelx

    How to extend an outdoor armoured cable (Ed.)

    I asked that question in post #3 - no response so far.
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