units | ElectriciansForums.net Est.2006 | Free Electrical Advice Forum

units

  1. 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...
  2. 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...
  3. 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...
  4. 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...
  5. 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...
  6. 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...
  7. 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...
  8. 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 ?
  9. 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...
  10. 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...
  11. 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...
  12. I

    New MFT, what's the best units to look at? EICR industrial, time saving!

    Hi, I've just landed a job as an electrical tester and need a new MFT (mainly light industrial). As I'm going to be spending considerable time testing I thought I'd ask about the new high-end options. what are peoples favourites? Are these new fancy options like Bluetooth on the mergers...
  13. S

    Rear Knockouts on Metal Units

    Hey All, So query I have had for a long time is this: Why supply special entry glands for a metal unit (top and bottom) to help stop the spread of fire/dust ingress/water/fingers etc then go and have a bloody great big knockout at the back which only needs a grommet strip to protect the...
  14. multimarcus

    Choosing right cable to power Power Supply Units

    Hello everyone, I need to supply power from an A/C wall plug to an enclosure containing 2 power supply units. These are: 1 - Switching Power Supply INPUT 100-240v 3.0A / OUTPUT 5v = 40A --> connected to LED lights 2 - Power Supply Unit INPUT 100-240v 1.5A / OUTPUT 5v = 10A --> connected to...
  15. V

    Wiring additional consumer units -a design question

    Hi, I've got to put in an additional consumer unit into quite a large property and rather than daisy chaining them back to a single MCB in the main board which is RCD protected, I wondered if this a better solution: The property is served by TNC-S with an isolator switch. Connect new tails into...
  16. M

    Consumer units

    Hi guys. Just need pulling into check on this one. I’ve been asked to wire an extension including new lights and sockets and SD’s ran from existing circuits in the house. Now his mains was fitted in ‘15; a split load RCD mains, located in a hallway of plastic construction. I’ve always...
  17. stuarth

    UK Custom made consumer units

    Hey guys, been trying to find via google the bespoke/custom made consumer unit manufacture with no joy, can anybody remember what the company was called? or better yet have a link? cheers
  18. S

    Has anyone done the EAL level 3 QELTP3 performance units? (Portfolio)

    I've completed level 2 and 3 fulltime in college and recently started doing the performance units. Am I meant to be given a question sheet or a handout of some kind? All I've been given is a "performance assessment criteria" leaflet and a job report example, which seems to answer questions...
  19. I

    Where are you lot buying consumer units.

    And for value, quality, easy of parts, what brand do you guys recommend. Cheers.
  20. C

    The consumer Units for flats in communal area

    My daughter has ground floor flat, there are four flats on each floor. The consumer Units for each flat are located just outside each flat in the communal hall way, Is this against the Regulations?

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