systems

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  1. 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...
  2. 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...
  3. 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 !
  4. 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...
  5. 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...
  6. 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...
  7. 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
  8. Pete999

    Earthing systems explained

  9. Pete999

    Pete's Videos Earthing systems explained

  10. Pete999

    Pete's Videos Earthing systems explained

  11. 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
  12. 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...
  13. 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...
  14. 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.
  15. 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...
  16. J

    Help on learning heating systems for domestic properties

    Could someone point me in the right direction for learning everything I need to know on heating systems throughout my apprenticeship I didn’t get to do a lot of it and would like to know my stuff . Thanks
  17. S

    Recommended CCTV systems

    Hi. One of my regular clients' father's house was broken into last night by an armed gang. They beat him up a bit and burgalled the house. Pretty shocking, four people smashed the rear patio door and simply ran in and terrorized the 2 occupants. As he was elderly I expect they cased the house...
  18. A

    Temporarily raising ballasted solar racking on flat rooftop systems? Is it a thing?

    Does anyone know of any procedures and/or devices made specifically for temporarily raising solar panels and their associated ballasted racking systems in order to accommodate localized roof repairs on a flat rooftop of a commercial building. The idea is to minimize work needed to allow for a...
  19. Ian B

    Suggestions for Lighting Control Systems

    I'm familiar with Lutron and similar high end systems, but wondered what contractors are using in the residential sector, for new smaller installations (maybe one or two rooms). For example, where a client has a mix of conventional circuits such as downlights, pendants, etc and would like basic...
    • Ian B
    • Thread
    • control lighting suggestions systems
    • Replies: 4
    • Forum: Lighting Forum
  20. Kjb Electrical

    Anyone one experienced in large scale cctv systems I Need cctv advise

    Hi guys & girls, I have a client who wants a new cctv system on his business, He sells cars so has a lot of ground to cover. Doesn’t need any fancy extras just a dvr that can take around 30 cameras, and the cameras image to be clear enough to recognise faces and number plates at a distance of...

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