grid

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  1. N

    Benefits of single grid switch?

    Hi all, Is there a benefit to using a grid switch if its only a 1 gang switch? Fair enough if you require a 3 or 4 gang grid switch but not if its only a 1 gang. I recently worked in a low risk mental health unit which used these. The building is fairly old so is this what was generally used...
    • Newbie90
    • Thread
    • grid likely plate single switch switches
    • Replies: 16
    • Forum: UK Electrical Forum
  2. S

    PIR grid switch

    Does anyone know of a PIR occupancy sensor that can be mounted into a grid switch. Scenario is existing single flush box that i need to fit an occupancy sensor plus key switch into. Closest I have found is one from danlers but that only fits a euro module.
  3. S

    Can PV inverter adjust/control the grid voltage or reactive power?

    Hello guys, I just research in grid-connected PV system and have some question about the operation of inverter. I just think that PV system can do the voltage control as of other generator but I don't know it can operate in this mode for sure. I saw the datasheet of inverter that say it can...
  4. D

    Voltage Optimisers with PV array and high grid Voltages

    Just wondered what you guys feelings were on fitting one of these units to control grid voltage down to a constant 220v at the consumer unit was, I know we have discussed similar before, but thought it may be time to relook at these units ?? I haven't got high grid voltages to contend with...
  5. A

    National Grid or Own Business

    Well.. Ive had the opportunity to get a job with the national grid for a jointing apprenticeship 15,500 a year start then after 3 years 26,000 a year with the opportunity then to do a engineering degree and become a Senior Authorised Perosn at £60k / Year + car My question now is, is there...
  6. S

    Bonding suspsended ceiling grid

    Do you neeed to bond a metal suspended ceiling grid when it will be covered with plasterboard? My colleague says no, as it is inaccessible (unlike if it was removable ceiling tiles), and therefore not an extraneous conductive part, but I say it should be bonded as it has cables running through...
  7. M

    Warning Lables on Grid Switch.

    I've been to an office block today to move some lights in a suspended ceiling and label the light switches with it's operation. There was a 12 way grid switch with 3 banks of 3 switches and an emergency light test switch. Each bank of switches was fed via its own mcb and on a different phase...
    • mpb
    • Thread
    • grid label light might plate switch switches warning
    • Replies: 6
    • Forum: UK Electrical Forum
  8. J

    Grid switches

    hello. jut a quick q on grid switches and what your ways to install them are.. eg. using 20A DP switches with a fuse next to it or just install a FCU to hard wire applience in, there for not fusing at the grid. would you run it in 4mm, 2.5mm or 6mm radial or would you run it of the ring...
    • james king
    • Thread
    • appliance electricians' talk grid spurs switch switches these
    • Replies: 49
    • Forum: UK Electrical Forum
  9. jaydee81

    mk old style grid

    anyone know where i can get blanks to fit old style mk grid?
  10. J

    Small Off Grid System help please

    Folks i have been asked to look at installing a small off grid PV System of approx 360W to provide power for a 12v water pump. I have no problem with sourcing panels but could anyone point me in the direction of a supplier of batteries and controller units please? Thanks
  11. O

    looking for 2nd hand (probably) grid switches

    Got a client who has an old grid switch where 2 of the dimmers are decidedly unrelaible and want to replace then with standard on off switches. My guess is that the grid is about 20 years old, if not more. So I'm after 2 x the brown one on the left Thanks
    • Octopus
    • Thread
    • attach electricians' talk grid hand looking probably replace switch switches
    • Replies: 4
    • Forum: UK Electrical Forum
  12. M

    new member pv off grid question

    hello. I have 4x 235w pv panels intended for grid tie. I want to use these for off grid to a battery bank via 2x 30amp charge controllers and then on to a immersion element in my hot water tank. i have a small diagram below and if any members have any thoughts on this they would be much...
  13. D

    Off grid solar project.

    Hi all, anybody going down a similar road to this, I am setting up a solar project for my house in Spain, the gear I allready have in place are, 4 x 30v 250w panels 4 x180a/h batteries = 48v batt bank 2 x 180a/h batteries =24v batt bank The batteries at the moment are charged via generator, I...
  14. S

    SMA4000TL grid voltage too high

    I think I read that this unit can be adjusted in case of high grid volts or fit a G59 relay? Client is getting 257-259v and it is tripping. It is a rural location and rather not get DNO involved if it can be sorted on site. Did I read that right? Thanks
  15. B

    Remotely monitor and disconnect off grid PV/Hybrid system - is this possible?

    I am doing a a research project (and I'm a newbie!) and I need to know if its feasible somehow to disconnect a PV array (and possibly a wind turbine) from the batteries storage should that need needed for safety reasons, to prevent any possibility of damaging the batteries. Firstly I'd imagine a...
  16. O

    Help with grid switch

    Guys I am looking for the manufacturer of a dimmer grid switch I was at a job but thee customer would not let me take the grid off anyway its looks like a standard white grid switch with an led in the middle that flashes red or green with 2 square boxes either side I had a google but no joy and...
    • oldtimer
    • Thread
    • dimmer electricians' talk grid help looks switch these white
    • Replies: 2
    • Forum: UK Electrical Forum
  17. M

    Northern Power grid

    HI All I recently installed a system for a mate in York, obviously well outside our normal area! His MPAN starts with 15, The DNO I believe is Northern Power Grid. Does anyone have the Notification form for them, or a link to download it cheers
  18. P

    Large scale off grid systems

    Afternoon, Anyone dealt with large scale off-grid systems? DNO have rejected a 10MW connection.
  19. H

    Wiring for Grid frames and switches.

    Wiring up a Grid System only for 3 Appliances but never really installed one before Methods I have done is FCU's or Mini consumer board to run off, these grid systems the one I am looking at is 8 Gang and will hold 3 appliances with fuses and have 1 spare I am struggling a bit seeing the wiring...
  20. S

    Underfloor Heat Mat Earth Grid

    Hi, I have a customer who has purchased a underfloor heat mat for his bathroom, to fit under his carpet. When fitting this thing I told him it required an earth, as it was not within the cable feeds to the elements. I put a 1.5mm Earth cable down to behind a pedastal basin, so that they could...
    • sparkie_Al
    • Thread
    • earth electricians' talk grid heat underfloor
    • Replies: 11
    • Forum: UK Electrical Forum

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