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  1. L

    EV charging question

    On PME if the neutral cable is to get damaged the earth also fails as it’s the same conductor!! hence the IET’s concern!!
  2. L

    EV charging question

    I did the course, the regs say you can’t install on a PME supply due to the risk the earth might fail
  3. L

    EV charging question

    I’ve done a load more research on these EV charging points and I’ve now found out that a company called Zappi is producing a charging point that doesn’t require an earth rod the model you need to check out is the Zappi V2
  4. L

    OLEV worth it to take the course?

    Your correct NO TN-S can be relied upon Not to be converted to a PME supply in the future
  5. L

    EV charging question

    Yes the wiring regulations states you cannot install a car charging unit onto a PME supplied installation if you are to install the car charger as a TT system on it’s own there cannot be any metal conductive parts or class 1 external light fitting within a 10 metre area of the charging point...
  6. L

    Sealing a consumer unit entry points??

    So true, they should stick to the Regs book and not spread THEIR thoughts on it
  7. L

    Sealing a consumer unit entry points??

    Chris was told we are supposed to be sealing all entry points to the CU according The the wiring regulations by the guy running the course but that’s not what’s in the Regulations hence the post
  8. L

    Sealing a consumer unit entry points??

    I use the sticky trunking to stand my metal clad consumer unit off the wall or wooden back board so my cables all enter the board through the rear entry holes so that flames from this non existent fire can’t escape the CU, I very rarely knock a knock out of either the sides or top
  9. L

    Sealing a consumer unit entry points??

    Hi Chris Where will this end it’s not a building regulation or more a wiring regulation to fit intumescent pads in drywall boxes, it’s just someone’s take on the regs not actually the regs. If it was a regulation for fire integrity the edges of the CU would have intumescent seals also the...
  10. L

    Sealing a consumer unit entry points??

    Sometime people are over tightening the terminals and they’re damaging the cable connection hence why they want us to us Torque screwdrivers why do we just line the CU with asbestos!!
  11. L

    Sealing a consumer unit entry points??

    I mount my boards on a frame of sticky trunking using longer screws with washers so the plywood is further away from the CU so less chance of scorching or fire, the idea of the metal CU is to take away the accelerant so I don't understand the logic of sealing the knock out making any additional...
  12. L

    Sealing a consumer unit entry points??

    I like the idea of the plastic bag full of water in the top that would make a great sprinkler system
  13. L

    Sealing a consumer unit entry points??

    I was told initially sometime back that the consumer units need not be sealed because the main accelerant was the plastic CU so the steel CU was enough to stop a spread of fire, my question at the time was if the plastic CU were to be replaced with steel what about the MCB and plastic blanks...
  14. L

    Sealing a consumer unit entry points??

    Could be!!!
  15. L

    Sealing a consumer unit entry points??

    Who you talking about hope your not talking about me that’s certainly not my workmanship
  16. L

    Sealing a consumer unit entry points??

    You must work for the London Fire Brigade, what a fantastic idea because the water would then trip the rcd’s and would make the house dead!!
  17. L

    Sealing a consumer unit entry points??

    Of course water will stop the spread of fire, the CU would need to be IP65 rated to hold the water though:)
  18. L

    Sealing a consumer unit entry points??

    The plastic rawlplug was brought up at my last assessment, there’s no concern over them as the wall they’re in will support the clips or consumer unit. This idea of sealing up all the opening with intumescent sealant seems another cash generator to subsidise the cost of changing to metal...
  19. L

    Sealing a consumer unit entry points??

    Hello Guys I'm going to put my Tin hat on and close the curtains so the Regs police can't arrest me for asking this question again, I can only find old threads pre 18th edition so please advise me if I'm missing something I've just been watching a guy on Youtube doing a board change who's...
  20. L

    Identify this head unit

    Can’t see the problem with a registered spark being able to pull a cut out and re sealing using a registered numbered vinyl label similar to what some of the DNO use now, basically a registered installer gets an amount of numbered labels assigned to him and has to send a DNO notification with...

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