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  1. C

    Kitchen appliance rings + 20a dp switches/ 13amp fuse holders in grid

    I have always installed a dedicated 32a kitchen appliance ring circuit and fitted a grid module system comprising of 20amp DP swithes and 13amp fuse module holders. Each appliance is spurred from the dedicated 20a dp and FCU. I always plug the appliance on an unstitched 13a single socket rather...
  2. S

    Replace a 20 amp multi intermediate grid switch with fuse with what?

    Hi I have read so many of your questions and responses and have learned a lot however I still cant seem to find what I need to know. The switch system on the wall in the utility is for the two under unit appliances washer and dryer and above boiler. I am not a novice with electrics and when...
  3. applemac

    mk grid box

    Hi guys, any tipson squeezing back the chassis and switches on a 8 gang grid box? All 2.5 cables and it's a nightmare I'm just waiting for a cable to pop out! Terminals are small and can't get much exposed wire in ... Grrrrrr!
  4. 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...
  5. 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...
  6. 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...
  7. C

    Replacement battery for emergency grid fitting

    Can anyone tell me what replacement battery I need for an emergency 4 x 18 watt 600 x 600 cat 2 grid fitting. My wholesaler is guessing a 3 cell 3.6v - but can't guarantee.
  8. jaydee81

    mk old style grid

    anyone know where i can get blanks to fit old style mk grid?
  9. 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
  10. 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
  11. S

    Single phase Reactive power compensation in Grid connected PV plant

    There are many type of control schemes available that could be implemented for controlling the inverter. The main problem I'm facing is in performing clark's or park's transformation of the single phase current and voltage. Any suggestions?
  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...
  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. C

    640x100x615 4x18w HF Ceiling grid mods with CAT 2 diffusers. Emergency & Non Emerg

    I have for sale some HF T8 ceiling grid mods with CAT 2 diffusers fitted. Same as these: NMT418/HF/4X18W NVC Lighting Products All boxed, but a couple of the boxes are open. Never been out of the boxes. I have: 4x Emergency maintained (M3) 6x Standard Lamps not included. Job lot: £250 -...
  19. P

    Large scale off grid systems

    Afternoon, Anyone dealt with large scale off-grid systems? DNO have rejected a 10MW connection.
  20. 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...

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