units

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  1. M

    UK wiring up a 4 aircon units

    I have 4 aircon units outside my house going to 4 units inside. I have been told i need a isolator switch for each one. And just wondering how to wire it up myself. I have been told they but out 8amps max and need to wire to my fuse board, just wondering if i can wire each switch on a ring main?
  2. P

    What are your thoughts on outdoor consumer units for EV?

    Hi people, Just wanted to know what everybody’s thoughts are on small outdoor consumer units for EV chargers? Some are saying that they aren’t good because you get condensation build up in them and terminations rust corrode etc after a few years and they don’t last. Do you fit them?
  3. N

    Replacing storage/24hr heating/off peak water consumer units

    What are your go to “heating” consumer units to fit these days? Have a domestic consumer unit and a combined storage/24hr heating/off peak water consumer unit to swap. Normally use Fusebox spd/rcbo for domestic swaps the last while but what are options for the other? I know Hager do/did a 3...
  4. Electrical2Go

    Electrical2Go - Beginners Guide to Positive Input Ventilation (PIV) Units: A Solution to Indoor Air Quality Woes

    Electrical2Go - Beginners Guide to Positive Input Ventilation (PIV) Units: A Solution to Indoor Air Quality Woes A guide to Positive Input Ventilation Units In the pursuit of energy efficiency, our homes have undergone significant changes in recent years. Double-glazed windows, loft, and...
  5. newfutile

    Shower priority units

    One of our contractors has identified a concern with multiple showers on a single 100 amp supply.(unsure how many yet i have asked for further infomation) They have asked our company for a solution (which means me!). Other than getting a 3 phase supply in the only other way is a shower priority...
  6. K

    One House and 2 Consumer units needed by LL, need help with circuits

    Hi I have a job where customer has two families one families lives upstairs and one family will live downstairs. As the property is going through refurbishing and rewiring is needed but LL has asked me to install two consumer units so basically divide supply using henly blocks and supply the up...
    • King84
    • Thread
    • circuits consumer consumer units help house need help needed units
    • Replies: 13
    • Forum: UK Electrical Forum
  7. B

    Steel framed units multiple PME supplies

    Multiple commercial units within the same steel frame cant each have a PME supply (from the same transformer), we have to install an earth electrode to each unit. Did anyone know that? The NICEIC tech help didnt today... Even though NPG supply a MET cant be used. A break in the neutral...
  8. J

    Garage Consumer Units

    Ok, most new Consumer unit seem to come with a 63A RCCB and two MCBs. Most house consumer units now will also have RCD of some type be it a dual board or RCBOs. I know there can be issues with Selectivity having an upstream and downstream RCD. One Should really be S type (more expense). Should...
  9. O

    What method do you use for fitting consumer units

    I was just googling for skeleton boards after reading the last thread and various pictures of consumer units popped up, some wired terribly and others that look like a work of art. But for me to get it looking even half neat I have to strip everything out of it so its just an empty box, strip...
  10. J

    Advice needed about installing High Heat Retention storage units

    Firstly, thank you for taking the time to read this. I am not trained in electrics whatsoever, I am a just a home owner looking for advice. I have a flat that I would like to improve the EPC rating on. A QS has advised that I need to install High Heat Retention storage units and a dual...
  11. P

    Diversity and multiple consumer units

    Hi everyone, A diversity question concerning 2 consumer units fed from 100amp DNO supply Background, So I have an 18th Ed compliant consumer unit (DB1) fed by a 25m 2 core SWA into a IP rated box, the SWA is then split into 2*25mm tails feeding DB1 and a small 3 module enclosure incorporating...
  12. S

    Wiring 2 Consumer Units to a Smart Meter

    I live in a flat in Scotland supplied with an old 2 meter system called THTC where one meter using a time signal supplied heating and hot water etc and the other the remaining circuits ie lighting and sockets etc. The flat was professionally rewired about 2 years ago and although there is no...
    • stacer
    • Thread
    • consumer consumer units meter smart smart meter units wiring
    • Replies: 7
    • Forum: UK Electrical Forum
  13. C

    Spds - multiple consumer units

    Hi all, what is the best way to configure surge protection in domestic dwellings when you have multiple consumer units? Does each consumer unit need it's own spd, or can I fit one in parallel with all consumer units? I have a 20m run from meter cabinet to two consumer units in house, then...
  14. S

    Multiple Domestic Distribution Units - RCD Topology

    Cascaded Distribution Units. Given how cheap populated distribution boards are; i've started to use them for almost every major junction in my home: Domestic Main Distribution Unit >10mm swa > Garage Distribution Unit > 6mm swa >Spa Distribution Unit...
  15. timhoward

    SBS Trade consumer units

    Thought I'd give one of these a go. Very easy to order and they build the board for you in the order you want. Next day delivery was free. First impression is that it's very solid and the front comes on and off easily. (So much space!) When I fit it, if it doesn't look too rough I'll post some...
  16. L

    RCD fused spur units . Which ??/

    Have not needed one for some time ! Now need to add one in on a small job. Any stand out as been good value etc ?
  17. S

    Moving Consumer Units

    Generally, we would use the Wiska box. A couple of times apprentices have asked whether it would be OK to run a 6mm cable and join to the original ring mains in the Wiska. If the Wiska box is accessible for future R1+R2 testing, is there any reason this can't be done? My instinct is to say...
  18. B

    Replacing 2 x 4 flourescent troffers with LED units. Not sure about lumens/brightness.

    This in a kitchen/dining area of maybe a little over 200 sq. ft. (10 x 21ish). Presently have 4 flourescent troffers with standard 2 40w lamps each, mounted in the drop ceiling. Pic is attached. Want to convert over to LED troffers. I would not want any more brightness than I do now, and...
  19. HappyHippyDad

    How long roughly do these Heat recovery units (HRU) take to install?

    I am about to quote to install this HRU. Having never fitted one before I had a few questions? 1. How long roughly does it take to install? The 162mm diameter hole will already have been drilled. There is a socket very close by and it will be in trunking, so easy. It's more the length of time...
  20. i=p/u

    12v power supply units for cameras

    12v 5A power supply for four cameras, if using shotgun cable with the power cores being 0.15mm, what is max distance from the cameras the power supply can be, as these are normally mounted close to camera itself. I know I can power locally to camera but would prefer to keep it all together. Any...
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