plugged

  1. S

    Mcb's tripping when appliance is plugged in

    Hello all, The appliance is a display fridge. Three phase on its own circuit. As soon as it is turned on at the isolator the display flashes and mcb's immediately trips. This appliance has only just developed this fault. All connections look ok at the appliance and three phase plug. Could a...
  2. 0

    Telephone extension point

    Hi there. I have bt infinity plugged into my master socket in the hallway. It is a nte5 with the additional adsl attachment fitted. All the equipment is on the floor and in the way. Can I run a cat5 from the master to an extension point in a bedroom. I want to leave my telephone plugged into the...
  3. P

    Rcd tripping

    Hello all i have just installed a mini consumer unit next to an old board to protect d/s sockets And lights for some kitchen work ll ok for 2 days but customer called me out sockets tripping any ideas no o/s light all sockets un plugged IR over 200 meg r1 very high tho need to check tightness of...
  4. G

    RCD tripping

    I have just installed 3 new sockets in my house. Before putting power on I went round with my multimeter and checked the resistances between earth and neutral/live to check there was no shorts and all tested ok so went round with a 240v rated floodlight to check all of the sockets with the power...
  5. S

    EICR 7 floor offices

    Hi all, I have been asked to perform an EICR on a 7 floor office IT based company, each floor approximately 2,500square feet and three phase supply. Looks reasonably new office so doubt there will be many extras in remedial, I'm guessing they have some expensive IT kit and they may need an EICR...
  6. M

    110v tranny

    Bosch drill stopped working Friday afternoon, one min it was fine the next it wasn't. I've noticed recently that the transformer has been getting really hot when plugged in, even when nothing is plugged into the transformer. So I take the top off and check the voltage going in.... 240 somat...
  7. G

    RCD Plugs

    Can anyone tell me a PRACTICAL reason for installing RCD plugs to class 2 site equipment, and how do i PAT test the actual appliance without removing the RCD plug?
  8. S

    Two roofs for arrays plugged into neigbouring 3 phase supply

    Customer wants to put 2 x 4kw arrays onto the properties he owns next to his business as they have the perfect roofs. He has a large electric demand so needs to plug into the business supply and get everything available. Apart from balancing the loads over 3 phase and accepting that it would be...
  9. Bromd123

    RCD Problem

    My sister has an RCD that constantly trips out, I've narrowed the fault to her ring main. end to end results are fine but the IR results at 250v (done at this voltage in case any items still plugged in that i cant find) are showing dead short between all conductors. I have unplugged...
  10. R

    Surge protected extension leads trip rcds

    Spent hours today tracing a NE fault (IR=0.29Mohms) on ring main. Unplugged everything I could and then split the ring down. Eventually narrowed it down to three double sockets which seem to be on a spur. Different colours at start and end of spur so no doubt a jb under the floor somewhere...
  11. R

    Kitchen Ring earth fault?

    Hi guys, Customer woke up this morning with the Main switch/RCD tripped. He narrowed the problem down to the kitcken ring so He unplugged all the counter top appliances and switched all the big under counter appliances off at the switches. I got there and turned the mcb on then plugged the...
  12. R

    Testing zs on multi way flex 7 box

    Someone told me on my 2391 that when testing a lcm that all lights that are plugged in are classed as portable equipment. Is that true and is it ok to take r1+r2 and zs at the lcm
  13. F

    Ir testing on bus bar track

    Been doing pir testing on commercial building been shorting out ln and testing to earth. Been getting readings of 5 to 8 m ohms on some of the tracks i no this is an acceptable reading but i was wondering to may be make the client aware of the low readings or just leave it. Personally if it was...
  14. M

    well puzzeled!!!

    hi I have come across a problem with a ring main thats been recently installed in a new kitchen, obviously there are 2 earth legs yet whenever the cpc on one side of the ring (outgoing leg for example) is conected to the earth bar in the unit the rcd trips, however when the other leg (incoming...
  15. M

    standard double gang wired to a cooker circuit

    Hi Guys, I need your help again, basically I have an electric oven and gas hob that are both run off standard wired plugs and plugged into an electric socket behind the oven, i think this bit is okay. Just above and slightly to the right of the hob I have a double gang socket, that when you...
  16. C

    500w PIR plugged into Ring Final circuit

    Customer has asked to install an external Halogen PIR on the outside of their garage. I explained I could take a FCU off the Socket & wire out to the fitting, (as I normally do) but am I overkilling it? If I down rate the fuse in a connected plug to 3A based on a 500w Lamp, this would give...
  17. R

    Baffled

    just been asked to do some tests for a friend of mine who has a problem of when ever the electricity is turned off by the REC when the supply returns it trips some of the MCBs ive done all the normal tests that would be carried out for a 17th edition EIC for all of the circuts in the house but...
  18. I

    Reasons for RCD not tripping other than failure of the RCD

    Hi, are there any reasons apart from faulty RCD that can be tested and what sequence of tests should I follow ? I have a 100amp main switch with two MCB protected lighting circuits, and then a BS EN 61008 80a 30ma RCD with two 32a sockets circuits, a 16a heater circuit and a 6a security alarm...
  19. P

    Cooker Control/Isolation Switch is NOT required?

    Found this on the ESC 17th Ed Guidance site. Q35. Is a cooker switch or cooker control unit required to be provided as means of emergency switching for an electric cooker? Generally, cooker switches and cooker control units are provided as a local means of isolation and switching off for...
  20. S

    Socket position

    Hi all Looking at rewiring a kitchen for a customer. In a previous renovation they had french doors installed which left a socket almost on the corner of the opening Now that I am looking to fully revamp the kitchen including a new CU is there a reg that says how close to an opening a socket...

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