device | Page 5

device

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  1. S

    What size 3 phase cable and protective device.

    Bit nervous about putting this on the open board, normally stick to the trainee section. Hope i can get some help. I have recently qualified so dont be to harsh if im not 100% correct. Ive been asked to help an older spark to pull a a 3 phase SWA cable. Ive been asked to design the circuit...
  2. A

    Question on mcbs to fit old board

    Hi, just a quick question, does anybody know if they manufacture an mcb that will fit this board ?? Thanks in advance.
  3. cprfenom

    socket on 6.0mm T&E

    A circuit wired in 6.0/2.5 with a 32amp MCB feeding a double socket for a gas hob and gas oven. Now I know that the protective device is for the cable, but I am concerned that the socket can only take 13+7. Should I down rate the protective device for the socket and not the cable in this...
  4. Lucien Nunes

    Vintage electrical device picture puzzle

    What's this out of? Brass cup about 2" diameter, porcelain ring inside, half filled with strange flaky powder with shiny specks of mica in it. There's another two of them in the unit. Over a century old.
  5. K

    USB ports within sockets

    HI all A client ask if i could look into the idea of having one of those USB + standard stock installed in her house. I know there are a couple of comments in this forum but just thought I would ask as they are older threads. So has any one has any experience with them (as i have not) if so...
  6. J

    internet slow on more than one device is on

    just wondering if anyone can help my internet speed is quite slow but when I try to surf with more than 1 device the other one takes ages to load takes that long I get bord waiting and use mobile instead I have tried everything changed internet provider, replaced router just in case anyone need...
  7. SolarCity

    Solar immersion device capable of running 6kW immersion

    I have a customer with a 6kW immersion heater and we are trying to find a device which will cope with this size. All the ones I've seen so far are rated at 13A maximum. Anyone know of a device which could do 6kW?
  8. S

    testing problems

    Just started subbing for a company and have provided me with a megga mft1552 tester where would I locate the serial number needed to complete aelectrical installation certificate report ?
  9. dnjr

    NICEIC Certification Scheme NICEIC conflicting advice

    Dear All Im quoting on changing a fuse board and the earth bonding to the gas is 6mm. TNCS system 100A main fuse at cutout (sealed so not confirmed) The flat has concrete ceilings and floors and the bonding cable is deep in the structure of the building. No obvious route to run in a 10mm. I rang...
  10. L

    SOLIC solar immersion controller

    Afternoon all, I've been looking at getting a solar immersion controller for my solar PV 3kWp array, and although the IMMERSUN and iBOOST look like the prime players, I'm keen to know whether any of you have had experience with the SOLIC unit? It appears to do the same job as the rest, looks...
  11. W

    Earth Proving device

    Hello, Recently been tasked with putting in a supply for a hot wash (pressure washer) This is quite the beast, diesel powered for the heating of the water and small 1Ph 230V supply for the actual pressure side. Bit of background, will be supplied via 10A C type MCB fed via 3C 2.5mm2 SWA to...
  12. C

    outdoor lighting cable selection protective device

    Hi i wanted to clarify what 7671 says about wiring of outdoor lights. presume the job is a lamp post 0.5M away from the house. Fed from a fused spur unit, with a downrated fuse, inside the house from the upstairs S/O ringmain. The cable would be 1.5mm2 twin earth from the fused unit wall...
  13. D

    G59 Solar PV Export Restriction Device?

    Hi all, Bit of a silly question but one I've never really encountered before. A customer of ours want an 8kWp PV system, I sent the application off to the DNO but they have come back saying we can only install 4kWp. I believe I read somewhere before that a device can be installed that limits...
  14. T

    proprietary earthing

    Hi can somebody explain the difference between a proprietary earthing device and non proprietary earthing device , wit examples of each?:confused:
  15. J

    ARD (Automatic Reclosing Device)

    Hi all. After reading some threads regarding whether to install RCD/MCB's or RCBO's, I wondered if anyone saw the article in Professional Electrician about ARD's or had any experience/knowledge of them. Also your thoughts as to their possible advantages/disadvantages. Regarding RCD/MCB's vs...
  16. J

    Immersun type device for 6kw immersion?

    For a sports pavilion with an 8kw PV array. Anyone know of an Immersun or equivalent that can be used on a 6kw immersion. So far max I've seen is for 3kw. Thanks!
  17. M

    Underground Cable Route to device which needs TT-ing

    Hi guys, I have a bit of a quandary about an installation I have coming up; I need to install a 100kW rated Electric Vehicle charging station in the middle of a car park. The supply (PME) will be in a toilet block building approximately 45m from the final location of the charger. There will be...
  18. M

    protective device and why for following

    Circuit supplying a conventional machine Supply to a welding device
  19. P

    Protective device

    Hi all need some help, I was called to a job to do some rectification work after a so called sparkey half wired a house. He decided to run a 10mm T+E from a Henley block located in a cellar to a second C/U three floors up, I'm going to have to change the 10mm to 16mm. My question is what do I...
  20. yellowvanman

    10KA or 6KA breakers?

    I know the difference between the 2 sorts but I'm thinking do I need to fit 10KA breakers in this scenario, when I've got 6KA MCBs in the van! 3 phase DB, Isc 4.9KA (phase to earth), all circuits from this DB are single phase. Will never be 3 phase in future (HMO). Worst case short circuit...

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