system

Recent contents Top users
  1. J

    Old Honeywell heating system: no idea how to turn on.

    I've just moved into a new flat and for the life of me I can't figure out how to get the underfloor heating turned on. The thermostats are the old honeywell analgoue types like the picture below. I turned it up to the max temp, but the floor is still ice cold. I've also taken a picture of the...
  2. E

    Help please - additional PV 400w panel conflicting with the existing 2kW system

    Hi all, total newbie to the forum. I sincerely hope that those in the know-how would be able to assist me. On my semi-detached house we have an existing 2kW system (8 panels, 250w each), this was installed 9 years ago, with the inverter SMA Sunny Boy 2kw (SB 2000HF-30), and recently we added a...
  3. A

    Unexpected/weird On/Off switch behavior in 12v DC System

    Here's the setup: 400ah battery bank on 12v has a positive line that connects to a 400a fuse, then to a Blue Sea On/Off Switch, then to the positive Bus Bar, then to the Fuse Box, then to the Loads. Loads come back on the negative to the Fuse Box, then the negative Bus, which goes to the...
  4. D

    Cables run in Wolf Easi joist system

    Hi Guys Im wiring a domestic dwelling that has the Wolf Easi joist fitted. The central web is great is running services, but how do you fix cables running with and at the normal to the joists? My first thought was mini trunking say 100 by 100, then we should to do grouping calcs. Why trunking...
  5. 123

    Old Domestic Servants/Butlers call system

    I'm just in the process of starting a rewire in a 1930's house, and the new owner has asked if the old servant/butler call system could be put back into service. It's not functioning at present, but I've not looked into any detail as to why. Anyone familiar with how they are supposed to work?
  6. Rhian_o

    Grade A ld2 system in self contained flats

    Hi there, I am the freeholder of my flat. There are 2 other flats. In the building, it’s a converted terrace house. The council have instructed me to install a grade a ld2 system. I have no idea what this means. Can anyone explain what the requirements are to appease the council? I’m a...
  7. Y

    Alarm System Risco Group Wisdom

    Hello! I ve been moved into a new house in which my previous owner doesnt remember his code The alarm system is from wisdom group Risco I would like to know if i could bypass the previous code and type a new one or if its possible to reset to default If none of these can happen please let me...
  8. G

    TT Eathing system to be installed

    Will a TT earthing system be complicated to fit to a block of 6 flats and 1 communal area And is it expensive UKPN have told me this is there preferred option rather than a new supply from the road which would be very expensive
  9. S

    Solic 200 alongside Battery system

    I've seen similar questions but not one that specifically answers my question. I have a Moixa battery system in my house that uses a clamp sensor on the live feed to use excess solar power to charge batteries, that's all fine of course. Problem is, and you may guess this, when I fit the...
  10. M

    Safe system of works around pv array

    Due to an incident of an induced voltage on the array framework and someone getting a shock what’s people safe system of works in place to minimise this happening ?
  11. msibart

    Old helvar system for sale /spares

    Hi all, I have moved into a house which had a helvar system for lighting, digidim router, wall controls, 3 dimmer banks. One dimmer bank stopped working but that leaves 32/36 still functional. I had a helvar engineer out and they confirmed this sytem would still drive LEDs as well retained...
  12. Raptor0014

    Advice regarding isolator for 3ph TT system

    Morning all, I’m scratching my head with this and granted I don’t do a lot of commercial work. Hence I thought I’d ask. Setup is a pub with a 3ph supply and it’s TT So it goes Incoming head - 3 x 100a cutout Meter 3 pole isolator for L1, L2 & L3 L1 to single phase into plastic DB L2 to...
  13. timhoward

    IT system - how do RCD's ever work

    To avoid distracting another thread... @Julie helpfully said that an RCD can be used with an IT system to achieve disconnection after the second fault. I'm not understanding how. If both faults are between transformer and a load it just becomes a parallel path with negligible resistance, and...
  14. L

    IT earthing system cable calculation

    Hello, Does anyone know if Trimble can be used for cable calculations for equipment with an IT earthing system? If not could you please point me in the direction of an example calculation if possible. Thank you
  15. Raptor0014

    Correct Type-S Upfront RCD for 3Ph TT System

    Hi all, Doing an EICR on a property which is 3Ph in and then 3 x Single phase boards from that. However it's on a TT System and doesn't have a upfront 100mA RCD and I am not aware of any reason why one wouldn't be required. So I am just wondering if this MCG one will suffice into an enclosure...
  16. Need_more_wago's

    DALI Emergency Lighting Automated testing via a control system

    Hey, with regards to DALI Emergency Lighting Automated testing via a control system, does anyone know how best to overcome a fitting that is reporting... 'Duration test max. delay exceeded' This is preventing the DALI EM fitting from carrying out its requested 3-hour Duration test. Batteries...
  17. 14jtracy

    40 volts reading on entire 120 v system

    Hello, I have a concern about the reading I'm getting from every outlet in my house. Its an older...circa 1890's...but from what I understand, has added wiring in 2 major renovations. The first time to add ceiling lights with wall switches; and the second time (1987ish) to install baseboard...
  18. S

    Small solar/battery system problem

    Hey guys, hoping someone can help with my problem.! A client of mine asked me to rig-up a little solar system to power a diaphragm air pump (230V/3A) for a cesspit. Solar/low voltage isn't something that I'm that familiar with (I'm a sparks), would have much rather just laid some new armoured...
  19. J

    Removing old wired stat for new hive system

    Hi Firstly if it wasn’t for this forum I would not have been to able to wire my hive controller so quickly so thank you ! Still sort of on topic of my hive I need to disconnect my old wired stat. I believe two of the wires will need connecting together to complete the circuit. Could anyone...
  20. U

    Any battery storage system worth having ?

    I already have a 4kW PV system that will be 10 years old in September, just looking at how much my electricity cost will increase in March when my fixed rate ends i'm starting to wonder if any Battery storage system is worth investing in now that energy prices and going mental.. My Electricity...

OFFICIAL SPONSORS

Electrical Goods - Electrical Tools - Brand Names Electrician Courses Green Electrical Goods PCB Way Green 2 Go Pushfit Wire Connectors Electric Underfloor Heating Electrician Courses Heating 2 Go
These Official Forum Sponsors May Provide Discounts to Regular Forum Members - If you would like to sponsor us then CLICK HERE and post a thread with who you are, and we'll send you some stats etc

Advert

YOUR Unread Posts

Daily, weekly or monthly email

Receive a daily, weekly, or monthly email containing a digest of new and recently updated threads.

Advert

TrueNAS JBOD Storage Server

UK Tiling Forum | Tilers Forums
UK Tiling Forum by Tilers Forums UK
Plumbers Forums | Plumbing Advice | Gas Forum
Electrician Tips from Professional Electricians
Back
Top