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different

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  1. M

    Sockets on different phases

    2 sockets on dado trunking within half a metre of each other, would you agree on warning notices for potential 400v?
  2. jason121

    Altering existing Installation

    I think this has been talked about before, but will ask anyway. I have be asked to remove the panels on a 4kw installation inverter SB4000TL -20 Ready for a new extension. The panels will have to repositioned east-west. I believe the old SMA 4000TL-20 will be unsuitable and will need a 3000TL...
  3. M

    Different continuity R1 and RN readings on ring

    Changing a CCU and reconnecting existing wiring (twin and earth) = did a N - CPC IR test for earth leaks prior to dismantling the old (BS3036) unit for obvious new RCD trips; all ok. However, on ring circuit the continuity end-to-end readings of the R1 and Rn are 0.3 ohms different; 0.41 on...
  4. S

    Emergency Lighting - different local circuits

    When installing non-maintained emergency lights where there is more than one 'local' lighting circuit e.g a three storey house is it best practice to have the Emergency Lights all on one lighting circuit and therefore testable with one key-switch or split between the lighting circuits with a key...
  5. I

    adding of multiple sockets to different rooms on ring main

    hi guys need some advice as to which seems the best way to go. have a customer wants 4 sockets and a shaver point (via 3amp switched fuse spur) adding to existing ring main. Each new socket is located in a seperate room of the bungalowe (spread evenly accross the ring). No current rcd...
  6. B

    Connecting different brands of MC4 together

    I noticed in the PV Guide this morning: "2.1.7 d.c. Plug and Socket Connectors PV specific plug and socket connectors are commonly fitted to module cables by the manufacturer. Such connectors provide a secure, durable and effective electrical contact. They also simplify and increase the safety...
  7. I

    Current Carrying Capacity of cables with different voltages

    Does the current carrying capacity of cables change on what voltage your using?? 2.5mm can carry 27a at 230v would this be the same for 1000v could someone please explaain this whole process please Confused lol Grant p.s i'm a student :)
  8. D

    Different cable rating on circuit

    Hi first post here, if during a rewire customer decides they want to keep existing 6mm cable from isolator point to shower so as not to rip up their bathroom wall (& of course keep same shower), but wants a new 10mm cable to isolator point for future use, is a fcu required between the different...
  9. C

    some general pricing/T&C'S advice please

    Hi all I'm sorry if this may be a thread that has been done to the death (be gentle lol) I've recently had an interesting chat with the gaffer about me setting up on my own on the side, weekends etc to eventually fly the nest once i feel more comfortable with having enough of my own work/client...
  10. G

    Van Rental and Using "hidden" Bio diesel (sold under different name)

    I have seen on van rental websites that there is a new 70/30 blend of bio diesel being sold on some supermarket petrol stations, this is not named as bio diesel at the filling station, the rental company website states that if you use it, it invalidates the manufacturers warranty on the vehicle...
  11. D

    Eicr

    Hi all, Getting back into work life now, just a few quick questions on completing a EICR FORUM. I'm 100% confidences on carrying out the test just the new forum. Carry out a test that was completed to 16 edition, do I have to code 4 all the different from 16 edition to 17 edition or will I...
  12. S

    power station work

    What's the best way of getting onto power stations I've done loads of different work just after the experience on something different any company names would be appreciated
  13. J

    Different phases for a 13A socket outlet and 5A socket outlet 2" apart

    Hi all. We're currently wiring a large domestic dwelling that has a 3 phase supply. We would like to balance phases as accurately as possible, but due to the lighting control system we have a situation where we have a 13A socket on one phase sited next to a 5A socket on another phase. These...
  14. M

    Certification of a few different jobs.

    If a customer asks me to do a few jobs. E.g. Add some spots, add a socket and put a fan in a bathroom. As the only job notifiable to the labc would be the fan as its in a special location. Would you MW all jobs separately or all as one EIC and then let the building control deal with what's what?
  15. sythai

    Bit different..... domestic sprinkler mist system

    Anyone else come across this before on a domestic property ? Just working on some new builds..... And on one of the properties as the ground floor is mostly open plan we've got to wire from the nearest smoke to a unit under the kitchen sink -----> if the alarm is then triggered it then...
  16. A

    African generator

    A girl I konw is working in Africa in quite a remote region. She sent me a message on facebook asking this: a question for you electricity wise one. Why, when we have power outages, does the electricity work from some plugs in the office? Our electricity has gone out and the fan is still...
  17. Toonlad

    Under floor sockets and code

    Looking at a job today, but im of oppinion to code it c2. your views on this please as im about to write it up soon. Scenario. open floor space for computers,no floor boxs but 100mm hole to drop a plug lead through the floor into the ceiling void below. Below is accessed with small steps and...
  18. O

    Switch to change between three different power sources

    Greetings, In my friend's house they have three different power sources: Main Generator Inverter + Batteries There is already a switch that does the following: in position 1 it make lights work on Main, on position 2 it makes light works on Generator. Can someone explain how is this switch...
  19. S

    Ze result different from a few months ago.

    Just carried out a ze on a tt istallation and got a reading of 156 m ohms, carried the same test out a few months before and got 132 m ohms, the zs results were slightly higher as well! Could this be due to the changing conditions of the weather as to we're the earth rod is placed. Thanks chris
  20. S

    Fluke 1654B loop measurement - how does it measure the Re bit?

    Hi Guys, I've just swapped over to a Fluke 1654B MFT and I have a question about measuring the Re using the loop test function. Anyway, on the full caffeine loop test there is a little button where you can toggle the lower display to swap between PEFC measurement and the Re element of the Ze...

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