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systems

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  1. Q

    TT systems and eicrs ?

    Evening all If you were to carry out an eicr and you came across a TT system what is the procedure and required tests....I can see how you would get a Ze reading etc but how in an existing installation do you get the earth road resistance RA....as I can imagine that rods might be next to...
  2. K

    TT systems with dual rcd boards 100ma

    Hi everyone, could someone far more experienced than me explain the issue regarding TT earthing and using metal cased dual rcd boards. My understanding is that the links between rcds within dual consumer units have no protection therefore a board would become live if they became loose and...
  3. samsingh

    Conveyor systems

    Hi, I have a new Job starting tomorrow on Conveyor Systems its my first time working on them. I was just wondering if anyone on here can tell me exactly what to expect with the install of Conveyors on A distribution Warehouse. I have an idea of what to expect but if someone has previously...
  4. Lister1987

    Wanting to get my head around fire detection and alarm systems...

    Can anyone recommend any good links, books, materials (Aside from bs 5839-1) for getting an understanding and looking into how these systems are devised, wired, maintained and such like? I know there was the IET Electricians Guide to Fire Detection and Alarm Systems - 2nd Edition, however I...
  5. GS tech elec Ltd

    Electrician Jobs Fancy getting into smart systems?

    Hi all Hope we are all well. I run a electrical and smart building business in the South West but am looking to expand through the UK. We offer programmable systems, centralized lighting and custom home cinemas....to name a few services. I am now looking to work with sparks in other cities...
  6. J

    UK Can someone help me wire a new light fitting into an old house with old wiring systems.

    I’m a junior electrician, fresh out of college. I did some minor electrical work for a friend buI tried to put up a new chandelier I came across: Two Line wires (RED), going into one connector block Two Neutrals (BLACK), separated into different connector blocks - Two CPC wires, going into...
  7. S

    Recommended CCTV systems for domestic use

    Just a quick question, what CCTV do you recommend for use outside the home. There are so many out there and I want something decent quality to install for a customer. Also, how do you price for installing CCTV cameras. My customer wants 2 cameras. I don't want to supply something that has poor...
  8. J

    Looking for books that’s go into detail on heating systems

    Looking for books that go into detail on heating systems especially S Plan and also wiring on commercial plots such as communial flats etc thanks in advance !
  9. Q

    how many containment systems do you need to include in an NVQ 2357?

    Good evening, I am currently completing an NVQ 2357, I am doing this as an adult learner and I work in the trade. I am wondering for the NVQ how many different types of containment I need to give examples working with. I have examples of dado trunking, pvc conduit etc but lack industrial...
  10. P

    Suggestions for Cable or track lighting systems.?

    So someone has asked suggestions as how to upgrade lights in a small narrow kitchen in a new build. The kitchen has a low ceiling - albeit subjectively (the guy is 6'7" and at the moment only blocks the light from the one pendant where ever he is in the room). Obvious choice would have been...
  11. Lister1987

    Wanted Looking for a copy of Electrician's Guide to Fire Detection

    I'm after a copy of this book but everywhere i'm looking I can't find a single copy (new) and am seeing listings for £200+ for used copies. I understand it's a discontinued book and that the publication of the 3rd Edition has been pushed back to 2020 due to Grenfell Tower tragedy, which is...
  12. T

    Tips for an app about design and installation of photovoltaic systems.

    Hello: I am developing an app for design and installation of photovoltaic systems. I request advice to know what would be the most necessary functions in this app. Thanks
  13. Pete999

    Earthing systems explained

  14. Pete999

    Pete's Videos Earthing systems explained

  15. Pete999

    Pete's Videos Earthing systems explained

  16. okrobie

    Do hybrid auto inverters have any practical use for 110/220 volt systems?

    I haven't a clue what they are good for but they seem to be cheap at the junk yard (Around $15) so I'm wondering if they can be used with a battery bank as a UPS? Thanks, Jim
  17. D

    3 phase power

    I work in Broadcast television as a broadcast systems designer. I have seen in recent months a trend that is worrying (not sure if it is legal) that in a 19" rack there could be several phases wired to power distribution outlets (normally via IEC connectors) This means it is imperative that...
  18. B

    Alarm systems types

    Hi all, My boss has told me to set the system type of 2 smokes and a heat alarm as LD3+. Can anyone send me a link or reply with a description of what each grade of fire alarm system is? I always thought LD2 was smoke hall, smoke landing and heat alarm in kitchen, and LD3 was as above without...
  19. P

    smet2 meters are they compatible with solar and battery systems

    Recently ive heard of several complaints regarding the smet2 meters presently being installed in homes are not compatible with solar pv and battery systems leading to householders' being overcharged always thought the smet 2 would sort this out.
  20. M

    Assessment 615: Electrical Systems Design

    Hello :) I'm currently on my final assessment for 2365 after spending two years at college. I really want to complete the assessment in some design software rather than manually drawing. I found designspark which looked as if it could do what I want but doesn't seem to like importing...

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