system

  1. P

    Adding a heat sensor to an existing, interconnected smoke alarm system

    I currently have a home with 7 interconnected, hard-wired smoke detectors. I have a hard-wired heat alarm in the garage that I need to have interconnected to the rest of the system, per local regulations. My solar installer added the heat sensor but does not seem to know how to handle the...
  2. chris101

    Solar PV System with or without a battery?

    Greetings, everyone, After dedicating over a month to researching Solar PV systems, I'm nearly ready to make a decision. I owe my progress to some wonderful individuals who generously shared their time and solar expertise with me. Currently, my inclination is towards a 7kWh optimized system...
  3. N

    TT System High Ze leading to possible Zs fails

    Doing a lot of EICRs at the moment and have came across what I'm sure is a common enough problem. In an off grid rural cottage I have a TT system, Diesel Generator that runs and charges batteries when they are below 10 percent or so. Ra is about 150 Ohms... was about 3 ohms for Ze before main...
  4. RF Solutions Ltd

    Competition Time: WIN a FERRET Remote Control System & WISKA Goodies from RF Solutions Ltd

    Wireless switching can really simplify an electrical installation. The FERRET is an RF unit that can add remote control to applications. It's tiny size makes it perfect for fitting in small enclosures like the WISKA range. This month, @rfsolutionsltd have teamed up with @wiskaukltd to give away...
  5. W

    Proposal for an inverter for a solar system on a balcony

    Hello everyone, I currently have two solar modules left over from an installation and I would like to use them to set up a solar system on the balcony. The system has an output of 800 W. Can you recommend a suitable inverter for me? Thanks for the help.
  6. B

    Is the earthing system TNCS or TT

    Carrying out a EICR in a commercial setting. In the main intake room the DNO supply comes in and it states clearly this is a PME system. 5 years ago it had a 120mm earth from the head going on to the MET which then had separate earths to each isolator on the panel. Within that time a new pumping...
  7. T

    Seperate test sheet for garage consumer unit on a TT system

    Hi Guys, hopefully someone will know the answer. Testing an install on a (domestic) PME system I have a garage consumer unit supplied from one of the RCBO's I have installed an earth rod to supply the earth and not connected the CPC or armouring to the garage consumer unit end. My question is...
  8. Audronius

    New property - looking for help understanding the heating system

    Hello! I've just moved in to a new property with "all electric" heating system and trying to figure it out. The agency/landlord are of no help so trying here. Previously only lived in properties with the usual gas combi boilers so a bit lost. It's a one bedroom flat with two of us living here...
  9. J

    Texecom Premier 64-W. Faults preventing arming of the system.

    Hi, My alarm system is a Texecom control unit (Premier 64-w) + Keypad + Sounder, and is using the wired zones 1-4 only, with no additional add-on's yet. I have 2 faults being reported by this alarm system that is preventing testing & arming the system: 1) EXP 1,1 Tamper 2) Zones 1, 2, 3, 4...
  10. JimJJnr

    UK Equipotential bonding of the gas meter and water stopcock when installing solar PV system

    Hi forum members, I hope someone can assist with my enquiry. I have been advised that to comply with BS7671 Reg 132.16 my solar and battery installation will require equipotential bonding at my gas meter and water stopcock, but for the life of me I can't understand why if the appropriate...
    • JimJJnr
    • Thread
    • bonding equipotential gas gas meter installing meter solar solar pv system water when
    • Replies: 5
    • Forum: UK Electrical Forum
  11. toplightco

    Help retro fitting lighting on old Lutron system from 2007

    I've been asked to quote for track lighting replacement in a London art gallery that's suffered extensive water damage from the floor above. Quoting for the track and CRI90+ tracklights is not a problem for us, that's what we do. The problem is they want us to quote for the additional lighting...
    • toplightco
    • Thread
    • dimmable driver fitting help lighting lutron old system
    • Replies: 1
    • Forum: Lighting Forum
  12. I

    TT System with TNS reading

    Shop with no earth coming from head, overhead lines in sight everywhere - definitely no earth from the DNO. Two 10mm earths going into the DB. One going to the water and another which disappears through a wall somewhere heading towards an external area never to be seen again. Customer doesn’t...
  13. G

    Multi door entry system

    I was working on a small door entry system today (4 flats ). It got me thinking , that say it was 16+ flats system , how would you go about dealing with the 16+ cables at the main entrance . Obviously a junction box system would probably be required , but was wondering how to over come that...
  14. S

    Solar Panels Can I add solar panels to an existing system without losing my fits

    Can I add solar panels to an existing system without jeopardising my feed in tariff? I have a 3.8kw system but was thinking of adding a few more. Could I have 6kw of solar but limit the inverter to 3.8kw so it will help in the winter when I need it the most. Or would I need a second meter to...
  15. B

    Regarding TT earth system

    Hi How do i access the earth rod to service it, where abouts will it be located and does a tt system have upfront rcds which will be probably in another enclosure? cheers B
  16. N

    CT clamp use in PV system

    I'm not going to touch it but I've a PV system installed that has CT clamp in supply meter. What does this do, why does it increase my import from grid?
  17. RF Solutions Ltd

    Competition Time: WIN a NEW Switchlink-IP Rated System - Remote Light Switch Control

    Introducing the NEW IP Rated SWITCHLINK System! This system provides a quick and easy solution to a light switch when cabling is tricky, expensive or time consuming. Features: 868MHz System IP68 Receiver IP66 Outdoor Transmitter Up to 100m range in Buildings Up to 500m Line of sight...
  18. Timc101

    Temporary wiring/electrics system not behind walls for a year-is this doable?

    Hi there, Just about to move into a house with 2 small kids and the wiring/electrics haven't been updated in years (hard to know as it's probate). Looks like some work has been done about 20 years ago and there's a mix of VERY old sockets/electrics (on skirting boards) with some newer ones circa...
  19. cliffed

    TT System with Upgraded DB/CU

    Big argument with a newly qualified electrician with all the necessary qualifications Had to give him a hand later on during the day, nice DB fitted &to be fair quite tidy too , with SPD…It’s a TT System with a good Ze 24.8 ohms. All Rcbo’s except for the Mcb supplying the SPD, which I pointed...
  20. M

    Remote control for Bell 801 door entry system

    Hi. Looking for help. My FiL has moved into a block of flats using the Bell 801 door release intercom for opening the main communal door to the flats. We have no opportunity to change the system for the whole block of flats. He is 80 and paraplegic and cannot get out of bed to let his carers in...
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