EV CHARGER installation UK - WHY did we change the consumer unit?
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- Опубликовано: 22 май 2024
- All the customer wanted was an EV charger installed - so why did we decide to change the consumer unit?
In this video, we explore the process behind upgrading a consumer unit or fusebox to enable an EV charger to be installed.
Thanks to Ross from RS Electrix for helping to make this video. -
rselectrix.com/
🕐 TIME STAMPS 🕕
===============================
00:00 Changing a consumer unit for an EV charger installation.
00:26 Why are we changing the consumer unit.
01:21 Safe isolation procedure
01:47 Identify existing circuits
02:23 Adding a surge protection device
03:00 Removing the old Mk Sentry consumer unit
03:40 Moving consumer unit to gain more cable length
04:20 Preparing conductors for the new consumer unit.
05:05 Mounting new Schneider Easy 9 consumer unit
06:10 Wiring consumer unit
07:25 Re-connecting new 25mm meter tails
08:22 Setting torque to manufacturers instructions
09:00 Electrical installation testing
10:50 Re-plastering EV charger cable route
12:15 Electricians" what do you think?
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#efixx #evcharging 
Наука
Sounded like a couple of TV Cricketer Commentators when RS was doing the CCU.
Loving the video! Just fitted my first 'three-phase' Schnider board as a first-year apprentice electrican. Discovered 'Ferruls' on a previous Efix video, haven't stoped using them in board installations. 👍🏻
If all dis board changes were as straightforward as this I would love going to work every day!
Wow. Who would've thought a video about a consumer unit could be so interesting?! Fascinating insight, guys. Thank you.
We do try - thanks 🙏
@@efixx 😆
What I hate about the easy9 board, look how much space is below the RCBO’s.... yep, plenty, then above them it’s got hardly any space 🤷🏻♂️
Ross has done a belting job of that tho 👌🏼 well done matey
I havent fitted one and i wont.
As you say loads of wasted space also who designed it so the buzz bar to go around the Neutral terminal.
I have worked on one of those and a cable i had put in temporarily got stripped by the hinge a blew.
@@paulspicer754 definitely designed on paper and not for the installer
Fantastic job! 🤝 thanks for sharing. Personally I love the Schneider gear especially their 3phase stuff 👍
I thought we were past the myth of heavy load near the main switch. The thick copper busbar takes care of that. How much resistance will a 20cm link bar, 2 x 7mm thick have from end to end? A resistance test less than 0.005 ohms? Schneider Easy is not a good choice of CU or larger RCBO's. The wylex, MK, fusebox CU have good space. Especially with Compact RCBO. The space above the breaker and behind the busbar is what sparkies want.
Great quality job 👌
Interesting and informative as well as well presented as usual.
I had a customer send me pictures of there ev installation, then tailed into the Hensley to a single switch (fused).
Only problem for me is there is no space left for a battery installation.
There was a t&e running to the garage, just plain, and it's into the consumer unit.
The evc is near the garage but I'm not sure what cable has been used. And was the first point installation.
I've asked the customer if it can be fitted outside the house which happens to be behind the CU. Oddly he wants th t&e changed, which is ran under the garden.
I've not seen the cu. But I would run a separate switch as the unit has everything in it. So I can wire from the main feed or the CU. But for time cost, small cu wins
Very nice, the cutters you work with are not available in my country, but they are the best protection for users, and the ground is very good, good luck to all
Great job 👍
Thanks
You would have a field day in our home, it was built in 1979 and that box at @1.25 with all the seperate switches son for parts of the house...well its the original one still a big square metal plate with a row of black flick switches lol, outside in a cupboard we do have a new electric box thing with the screen on etc
do you know if i wanted a ev charging point would it all need to be replaced? though i think we would maybe need a bigger main fuse or something
Not sure why your didn’t do the CU install yourself. Made me chuckle though as it comes across as you two are a couple and you brought an electrician in to change the CU in your family home 🤣
😂😂😂
😆
I do like those Schneider Boards, the're a quality bit of kit, which real thought in it's design has gone into. A work of art on it's internal too. I would be proud to have it in my home.
Seems weird that they went to so much effort to put the incoming Line conductor on the right side of the main switch. Any reason ? I initially thought it might be to create a direct feed to the SPD from the main switch, but I assume the 20A MCB is the feed for the SPD.
Also; minor observation, but it is good practice to put the "solid" sides of the crocodile clips together when nulling the leads. This avoids the possibility of a higher resistance in the hinge of the levered side of the clips.
Top job Ross 👍🏻
Do you need to protect the meter tails if they’re travelling through a wall? If so how is this carried out? Thanks guys
im just waiting for 10 years time to have a new invention of the earth bar to be put on the left side of the box, wow i can see the future of electronics already making me wish i wasnt born.
at 10:24: ? Is there any real difference between 'little' r2 and any other term using 'big' R - assuming it followed by the defining number, e.g. R2 ?
A very professional job
How long did this job genuinely take? It’s a great job by the way. There’s always the thought of wanting to do a very neat job & test to make sure all good. But also imagine doing this at a customers house in winter when it’s dark by 4pm
as all the cables came from above, could you not have moved the consumer higher out of the way?
Remember there are recomendations on how high a consumer unit should be mounted, which happen to accord fairly closley with the required heights for functional switches. The board as shown looks as if it is on the limits.
JEEESUS - I laughed when you said the old board looked messy - Haha, that looked like a work of art to me (not an electrician) - Phew, you guys earn this money, I'd be showing this to your customers just before you hand in a quote.
Wow that looks like a busy job
Not a big fan of the cover screw hole locations, especially the one above the neutral cables. Lovely install.
Would of liked to see the cpcs doubled over in the earth bar
Nice job.
Just a suggestion that isn’t feasible at all installations, but keeping switchgear above 450mm/below 1200mm in domestic properties for disabled access does include the switchgear in the consumer unit & while gaining the extra for a neater job, the move would create problems for wheelchair users.
Doubt a wheelchairs going through there though.better no joints and a board a bit higher.
@@carlosjackal7624
Not for someone in a wheelchair
Habt ihr gut gemacht.
Tidy board that... 👍🏼👍🏼
I have just been quoted an add on consumer unit at £259.99 in my quote. There is a separate £180 labour charge too for the installation of the EV charger. I'm not sure about that price because units do not cost anywhere near that figure, especially if its just a smaller add on to my existing consumer unit. It would be good to get a rough idea in these videos as to what things cost. Otherwise great content as always I have learned a lot. In fact its this video that has made me question the quote!
Sounds cheap - check out this video where we discuss costs. ruclips.net/video/6_7nuQEqAiA/видео.html
@@efixx Ah thank you!
That's a good price, adding testing digging, plastering, and time. It can be a lot of work.
I charge £220 plus parts. So it should give you a good idea of balance.
Moving the CU is ok if all the cables come down, bit of a tw@t if the ground floor socket circuits come up
You got to have some luck - one cable from below to a socket looked like a ring, but was a radial.
Would have beer an idea to test before changing the board
Please can you do a video of how he marks up the cables etc. I've seen people put little lines on individual conductors etc? I'm just learning and it still confuses me lol. thanks.
Use a marker pen on the cables.
You will or should have a plan /schematic/labels, or use common installation layout and run them on the same number you removed from
(Count and write).
In an ideal world !
Looks good . Don't they make the smaller rcbo for this make of board .
Not atm
I'm an American owner of an old house that has had 3 significant breaker panel upgrades over the course of a number of decades of remodelling. I'd prefer it if electricians would think more about how things will look 20-50 years in the future and not just how it looks today. Modern cables might last 100+ years, so if people would adopt a convention of leaving a neat loop of cable in a wall cavity for all new circuits then future panels wouldn't need to shift position. I can already imagine a future requirement of Arc fault breakers at some point in the UK. And some companies in the USA have introduced WiFi smart breakers that might catch on. Both could require new panels with different layouts. Needlessly cutting wires short to make the current panel look perfect should stop.
Brilliant comment - Future proofing is a major issue especially with the changes in world with EV, PV a d battery storage. We think the regulations and codes need to reflect the need for future proofing as electricians can only respond to the current needs and operate in a competitive market.
I tend to always run more than is needed in terms of cables. The problem you have is clients who want the best price, who are just thinking about the here and now.
10 years ago, no one was thinking of ev power and solar was just getting underway.
There are already breakers available that combine AFDD, RCD and MCB functionality in a single width DIN unit. I believe Hagar have one with Bluetooth connectivity for diagnostic purposes as well. That will fit in exactly the same space.
One concern with all these things is that the failure modes are now very complex, and there is now even a phone App for the Hagar units and it's also possible to update the firmware on the breaker. This is going the way of modern cars - full of electronics requiring specialist software.
nb. those very neat wiring jobs are fine, but I wonder if some flexibility for the future has been lost.
Are the Schneider rcbos double pole? Or has the zappi charger got double pole isolation built in? Good video. 👍
The Zappi is one of the few chargers with full RCD function built in.
That consumer unit looked quite full, I'm guessing that was the largest size for a single phase consumer unit by the look of it.
Do you think in the future we could be going to 3 phase installations ( thinking of some countries in Europe) on large new build domestic housing estates with extra circuits like Ev chargers and other possible extra circuits in the next say 5-10 years? Or maybe Equipment will get more energy efficient?
Western Power Distribution now fit three phase cables as standard to new and upgraded installations. (not that all of the builders choose to use it though)
@@efixx ok, I've not been on a new build site for well over 10 years,interesting to know.
Obviously installations like that would have to go in on ground works before hand and would depend on cost and knowledge to the builder like i think you were referring to
They are the only DNO adopting this approach. Three phase appearing in the residential sector could need some “retraining” for quite a few folks. Plus more residential appropriate 3 phase boards.
@@efixx Western Power are in the areas counties I work in.
Bit of an old joke pre western power when Midlands electricity board were about.
Electricity meter reader knocks on a house door " M.E.B"
Home owner " i be alright M.E.B"!
There's bigger single-phase CUs out there - I know Contactum do dual-row ones. Fitted one at my house 10+ years ago as I had the room, and has been useful when I've wanted to add circuits over the years. Future proof(ish).
Hi Gaz and Gordon, I'm not an electrician, but an interested learner. just watched JW video on prescribed zones, within the video JW states all buried cables need rcd protection, it seems on the video and other videos the ev cable concealed without RCD protection to the cable. I understand the zappi has rcd protection but not the cable to it ?
You are correct - the EV in this video has an RCD in the consumer unit to protect the cable as it’s buried in the wall.
@@efixx Thank you, quick response, so the RCD within the zappi protects the cable leading to the zappi ?
Sorry just checked the first MCB isn't connected.
@@efixx what about selectivity of the rcd is there any time delays?
So if a 6mm cable clipped to the internal garage and the charger had a built in rcd would the charger circuit be ok of a mcb within the consumer unit, and the rest of the house circuits on individual rcbo’s and additional surge protection within the board? Or would you recommend having all circuits including EV charger off individual rcbo’s?
As the first circuit from the main switch is the EV charger which is protected by a mcb From your previous video on the installation of the EV charger, it can be seen that the EV charging unit as been installed in the garden / patio area which is out of the curtlidge of the house. From this the pvc/swa circuit should be protected by an RCBO.
It is protected by an RCBo
@@efixx From the verbal coomentry and the cicuit id on the cardboard states that it is the first circuit from thd maib switch, which is clearly a mcb
From the verbal comnentry and the cicuit id written on the cardboard the EV is designated Circuit No 1 , being nearest the main switch. There is a mcb in circuit 1 and not the EV RCBO .
@@thomasfriend6264 EV is No2. The MCB in No 1 is for surge protector
Superbly done, don't you have to leave 20% of the board as reserves?
That’s the biggest board Schneider make !
@@efixx Well then if that is the case, leave them with no lighting circuits or EV Charger 😂😂😂😂😂
Why don't the RCBOs use the DIN rail as the functional earth? Why cant we have boards with live and neutral bus bars? Not an electrical but I've never understood this!
Schneider do a board where there are no neutral tails and there is such a bar for the neutral, however those boards are too expensive for most, and I don't know if it's available in single phase, efixx showed it but it was a three phase board.
This DIN rail does exist, but this board is old fashion
Schneider do s board like that. Buts it's ludicrously expensive, as are the rcbos to go in it at £100 each...
Where have all the neutral cables come from in the main neutral bar?
I had understood the rcbo tool the circuit neutral so just the fly lead to the bar
They are the fly leads out to feed each individual Rcbo
Where they blue sleeved over the white, the clip I’m thinking of is before he fitted the flu leads from the rcbos?
Ignore me! It was the functional earth he’s was connecting after! In the white wires
+efixx
Given the location, and drywall and such a large hole being made in the in the wall anyway, did anybody consider installing a recessed consumer unit instead?
We prefer flush fit boards but very few are fitted. It would be very difficult as a retrofit in this install as it’s a solid wall behind the drywall.
No room at the top of the rcbo’s why didn’t they make it with a din rail lower down. Neat job
8:22 The DIN rail seems to bend excessively under pressure. It looks as flimsy as the old plastic consumer units.
Hi guys, great quality install, though I would not choose that low location for ccu for safety reasons, as well as it's packed which generates heat, then I would put a small 24v fan to cool it down. ( to reject the heat).
Was the supply to the car charger on an RCBO? As it has an RCD within the charger does this still provided adequate discrimination
Extra RCD to protect the cable - video coming soon discussing discrimination.
@@efixx It'd be "selectivity" if Gaz had written this reply.... along with "twin and CPC" 😁
Mcb does not give Earth Leakage protection to the Circuit as it goes beyond the curtludge of the building
As big as that board is, it's tight for space at the top. Unusual to leave so much space at the bottom. Also considering the amount of innovation Schneider have in some of their boards, they have functional earth's on the rcbos in this one, very strange.
Better to have it accessible to reset Rcbos without having to get a set of steps... 👍🏼
@PETER WILSON Schneider themselves make a range without the earth tail and also without the neutral tail, so it's not just the cheaper brands and I think Hager devices don't have the earth tail any more.
On the video you said the surge protector would protect the car. Wouldn’t an EV have its own surge protection on the cars BMS?
good question - needs exploring but the £850 charger doesn't so in our book an SPD is worth the investment.
I'm sure that will vary from model to model, but don't forget that surge protectors using MOVs (and spark gaps, to some degree) are sacrificial. I'd rather replace a surge protector in my CU than in my car - I bet that's the cheaper option!
Thoughts on the door bell transformer being of a different manufacturer, tho not attached to the bus bar it is nevertheless non compliant with 536.4.203
@@edcooper2396 Not really an IET issue, it’s more the manufacturers/ BEAMA getting involved and the CU assembly not complying with the BSEN 61439 series by mixing manufacturers components
It’s a shame the opportunity was missed to install a recessed consumer unit given its location, other than that faultless.
Alan partridge 😂
Ps good interesting video thanks
🤣👍🏻
Why not install a larger unit for future expansions? This I dont understand about UK electrics, you only have 1-3 spare places when switching a consumer unit or even installing new.
because we have dumb regs that cause you to basically throw the fuse board away and start again every 10 years or so.
It's at the point now where your better off fitting a small 3 phase board with a single phasing kit fitted. Gives the internal space and ways needed.
@@edcooper2396 what the hell. What a dumb and wastefull regulation
@ed cooper it’s good for business though
Tidy job, surprised you didn't leave any spare ways for future expansion. Is there a reason for this? Shame for someone to have to re-do all that work in the future if more ways are needed
This is the biggest board in the Easy 9 range! - A few circuits are redundant atm - e.g The property has a gas hob, but is wired for electric. Debate about having smoke alarms on an individual circuit or combined with a lighting circuit. Does the door bell really a dedicated circuit for an 8 watt load?
@@efixx it’s not a debate, BS 5839-6 requires domestic smoke alarms to be on a shared circuit, not dedicated.
@@bencrew4376 - You’d best phone the ECA and debate it with them as it’s not the advice they give to members - ruclips.net/video/vbQz5OzYMOY/видео.html
@@efixx ok hands up, you can have both options as per 5839 6...I’m a designer and should know better 😂
MK is still available someone brought them out. Company called Circpro
Really, they are owned by Honeywell
They sold the rights to the name to Circpro who are buying from the chinese manufacturer who made them for MK. Not sure if the warranty etc flows over.
wow, that metrel is almost out of battery. I get nervous when Isee a color scen with a battery icon that low.
When I got my ev charger fitted I got a Matt-e device fitted. Luckily my meters and consumer unit are in my garage.
That would give me the fear my test meter being that low on battery
03:06 Top Tip! 💰💰😂
Get paid bang on time 👍
❤❤❤👍👍👍👍👍
Can't believe this is a recent vid ! I thought it would say a year or so ago.. why that board ? Its awful ! Why those RCBOS they are massive and the earth leads ?? Extremely neat and great job done but the board has been max'd out on an upgrade.. all in all not the best in my opinion..
Sorry the boards not 'awful' each time their own but like others have said ... no space where its needed
2010 called they want there RCBO's with earth fly leads back
So easy on a newly built cardboard home, try doing it on a 200-year-old barn conversion overhead fed and with a looped supply, and unable to move the board to get more length......
Sounds like a separate consumer unit for the EV
@@efixx Western Power is having to put in a new temporary seperate supply, and come back and provide a seperate cable to each home on the loop of 3 homes, digging up the yards to bury the cables! Massive job.....
Plastic CU and AC type RCDs in it’s self is not a valid reason to change the CU . Also having a second CU for the EV charger being unsightly isn’t a valid reason to change the Existing CU .. HSE note , now on page 4 of BS7671 and has been updated and made clear, also consumer units in dwellings page 99 of the latest edition of the onsite guide.
Nice job though,
Fantastic video as always guy’s 👍
Customer didn’t want another box by the front door.
@@efixx I understand that but Gaz made a point of saying that the CU is made off plastic and had AC type RCDs. My point was that should not be used as a reason to change the CU also Gordon said fitting an additional CU for the EV charger would be unsightly, what he should have said was the client doesn’t want an additional CU because it would look unsightly.
Just an obsefasion on my part.
But who am I to argue i’am just a humble spark who’s opinion means nothing.
It was a nice clean install though, great video as always 👍👍
I don't get why these small units are installed in the UK, there is no room for upgrade and little space to work with.
If you notice with anything in the UK, it's either just the right size or too small, it's ridiculous, that goes for our electrical stuff and even our kitchens, where we design them, that if you plug the appliance in it won't go far enough back, that's the poor design we have over here, if the people designing them head to fit them, then maybe things would change.
@@edcooper2396 yeah I have in the past, fitted a 3 phase board in customers homes and used a conversion kit, loads more room.
Eaton Memshield boards have loads of room. Havells do a range called PowerSafe which is identical to the old Memshield 2 range. These are superior to the more modern cheaper-looking Memshield 3.
They are single phase boards which have a similar style to 3-phase boards.
@anthony Charles should you be fitting sockets behind appliances? I never do
what happens if you have more than one car that needs charging i take it you have a car, your partner and your van how will this effect the load requirement for the house and some people have 4 cars two adults two teenagers what happens then. is all ok for one car/van. like to hear your comments please.
Load sharing / Shedding is the key - see our Easee video to get the idea ruclips.net/video/e_aJRe5bf04/видео.html
Hmmm, double earth cables under 1 screw.. that would not be up to code over here
Are you from south Africa
Don’t think do 💭
A couple of things are not quite right, but a great job by RS.
Could you point them out please. Thanks.
@@markgilder9990 1. No spare ways for possible future expansion, 2. No fire retardant sealer in cable knockout entries. Regards P.
Would have looked nicer if you'd put the stickers on the inside.
Stickers are to be visible
@@dc-sd3gd I don't think Mike was suggesting that the stickers should go inside the consumer unit enclosure. He probably meant inside the lid.
Mostly see them left inside the box!
wonder how much the WHOLE cost was from start to finish..when you think you need to add that cost to the supposed low running costs of a ev car so would not be as low or as money saving i guess
and how many EV charger installs require upgrade work before the EV charger can be installed?
@@jeta1f35 ..and how many other areas need work before a CU can be signed off. I know that if I wanted an EV Charger I've about 1k of work that would need to happen to meet regulations. CU, undersized armours, probably some dodgy circuits, etc.
Yes if it all was so easy.Some of these electricians are better suited to hair platting and extentions.Bet there's more money in it than making a consumer board look fancy.😂
Am I the only person in the world that uses flexi tails as standard?
No
No
Great vid as always... Bit of a whistley nose though 🤷🏻♂️
The challenges of site work with regards noise and set up etc.
Board looks a bit in the way where it is, why not take the opportunity to move it up even higher? Looks like you'd be bumping into it when going up the stairs.
Also, I'm not a fan of stickers on the outside of boards unless required by law.
or, as per my comment, recessed unit...
i would have wanted it fitted as high up the wall as possible. no need to have someone you poke about once a year being so prominent
Building regs set the height
Why would you mount a CU at mid-level??
It looks hideous, slip down the stairs and smash into the CU - perfect.
Perfect height for small children to have a poke around as well - is it going to be protected in any way?
Should have been put at high level but of course that is more difficult.
Building regulation set the height 1200mm
Look at those wood screws being removed using a flat head screwdriver 😂
I would have pulled the meter tails through the right hand side of the board. Using a Milwaukee cordless soldering iron to shrink the tubing isn't the safest way to do it - a heatgun would be better. I'd also avoid using insulating tape in the build as it degrades into a sticky mess over time (even 3M Temflex). Still a massively neat job - he obviously goes the extra distance and treats it like it's his own house.
Great job, great video.
Only everyone on RUclips will now think they are "competent" lol 😆
That cu is way to low children could draw on it or even worst open it up and turn of trip switches to important appliance.
Building regulations set the height of consumer units.
@adreen Ryan I suggest you bring up your kids not to do such vandalism
Change to make money. Simply a Henry Block on the tails from the meter, tails from the block to the existing consumer unit. The other block tails to a new breaker and protection just for the outdoor charger and an in-line isolation switch then on to the charger on the outside of the building. Easier to mount a current limiter on the EVC this way too
So where do you locate the new EV consumer unit? - Customer wasn't keen to have another box on the wall in the hallway.
@@efixx those with an electric cupboard it works fine
Looks like 5 hours he took there.
More like 7
Not many spare ways there.
It's highly unlikely that the vast majority of house would require one charger. More like 3 or 4, a his and hers + child and visitors?
Going forward I would install a separate CU, minimum 4 ways. Or put a commercial one or two servicing the same amount of EV's. One is just not enough. In the case of multiple chargers synchronised usage would have to be used reduce power consumption.....needs some thought....
I used to make really tidy jobs of my single and three phase boards nowadays I couldn't give a fuck
Thanks for the brutal honesty
Anything to make more work and more wages more profit as simple charging point for a car to us into a major upgrade what do you think it is a bloody space rocket
How would you have advised we do the job?
@@efixx Well letting the cat out of the bag doesn’t cover it always talk about saving with a heat pump I want to hear electricity firms are putting in three phases it’s a new houses et cetera one for people one for the car and one for the house
What size heat pump is expected I wonder in my small house and use 44 kW of gas a day as of now , the ave is 60kw
So heat pump input 20k for output 60k lecky to match gas at 21p kw ( for how long 21p) .£4 a day x 200 days is adding £800 to the av £800 yearly bill NOT including car charging .
And you are they are joking about how we got to change the consumer unit I will put any three-phase I will need all this talk about a con job by everybody in the country from government down to firms and small companies.
Cause she will be laughing you can see a future of endless profits and lots of work because why because the government is making it mandatory so you’ve got a captive public forced to do all these things.
@@jimmorris5700 no reply to that one mate. I seen a bloke the other day doing ring continuity from a socket, he only had 1 cable in the board 🤣 it should all be done from the board
Why is electrical installation always rubbish in the UK? Come to Germany and learn how to do it properly and safely.
This is how our Boards look 30 years ago. 😂