The Different Sizes of PVC/PVC Twin and Earth Cable (Twin and CPC Cables in mm2)

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Student training aid for the different sizes in mm2 of twin and earth cables (PVC/PVC twin and CPC cable). This video includes the size of both live conductors line and neutral as well as the size of the often smaller CPC conductor (earth).
Please note that all conductor sizes are in mm2 as it's the area of the conductor.
== 🕐 Time Stamps - Cut to the action 🕕 ==
00:00 - Twin and earth cable sizes
00:26 - 1mm2 twin and CPC cable
01:01 - CPC size
01:15 - 1.5mm2 twin and CPC cable
01:32 - Cable size on the cable sheath
01:50 - Why is the CPC smaller
02:29 - 2.5mm2 twin and CPC cable
02:54 - 4.0mm2 twin and CPC cable
03:09 - Now solid stranded conductors
04:22 - 6.0mm2 twin and CPC cable
05:00 - 10mm2 twin and CPC cable
05:52 - 16mm2 twin and CPC cable
Videos are training aids for City and Guilds (C and G) and EAL courses Level 1, 2, 3 plus AM2, AM2S and AM2E.
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Опубликовано:

29 июн 2024

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Комментарии : 74

@GSHElectrical 5 лет назад

Team Electrical hope this series of videos on PVC cables are useful in your studies 👍

@ibrahimabdullah4430 5 лет назад

Thanks a lot. It is v helpful 👍

@quadrantheatingelectricspl2907 3 года назад

Loving it🙂

@spencerdul2801 5 лет назад

Great video; keep them coming. :)

@GSHElectrical 5 лет назад

Hi. One more is this series 👍. Loads more to come in the coming months. We have another channel “Joe Robinson Training” as well for science and principles 🙌. Gaz

@michaelcostello6991 2 года назад

Great clear information. Thanks

@GSHElectrical 2 года назад

Thanks

@rickmolton774 3 года назад

Very helpful.

@math-with-afshin 5 лет назад

Thanks a lot, was very good !!

@GSHElectrical 5 лет назад

Thanks for the support Gaz

@wallbouncer9655 5 лет назад

Another great video Tresham College 👍

@simonschertler3034 5 лет назад

Here in Germany the CPC is always insulated. CPC/PE has the same crossaction as the live wire it to 25mm2 but it is very uncommon. Standard cables have the same PE/CPC up to 240mm2. (NYY-J 5x240) Up to 10mm2 the wires are solid and as we use 3phase in domestic houses, 5x10mm2 with solid wires are very common. There are also some types of cables with solid wires it to 16mm2. In Austria and Switzerland wires with 10mm2 and more are straighted. The smallest crossaction available here is 1,5mm2. Also there is wide range of different cable types with more than 4 or 5 conductors. Eg NYM-J 7x1,5 or 12x1,5.

@GSHElectrical 5 лет назад

Hi. Well I didn’t know any of that so thanks for the detailed information. Hope you enjoy the video we produce i honestly didn’t think anyone but my learners would watch them 👍. We have one more in this series thanks again Gaz

@Sarcastix7 5 лет назад

Same in Ireland. CPC is the same CSA as the other conductors and is insulated to the same thickness as the others.

@muzikman2008 5 лет назад

Great info we'll done lads..

@GSHElectrical 5 лет назад

Hi. Thanks for the support 👍

@davidroche6973 5 лет назад

Great introduction and explanation video to the PVC Twin and CPC cables for students starting their journey 👍🏻

@yiuyamchi6039 2 года назад

great video

@GSHElectrical 2 года назад

Thanks 👍🏻

@nandeepathwall 5 лет назад

Great videos! Could you do a video for connecting 2 or more consumer units from 1 supply for installation in larger properties

@bakhtyaralhassan7961 3 года назад

ښه او په زړه پوري

@PlymouthSparky 5 лет назад

All good information guys, that 16mm is a bugger to terminate😏😁

@GSHElectrical 5 лет назад

Hi Dave. The new learners are struggling with 1.0mm2 cables 😀👍

@wm79198 5 лет назад

American electrician here, I enjoy watching how you guys do your installs. Where can I go to see the ampacity, or current ratings, of the cables you just showed. Thanks for the video

@GSHElectrical 5 лет назад

Hi. The current carrying capacity of the cables will be covered in the classroom and or videos in the coming months. Thanks so must for your support in the US Gaz 👍

@curlykipper 5 лет назад

@Warren Manne you might find this link useful if you're still looking for help. www.cse-distributors.co.uk/cable/technical-tables-useful-info/table-4e4a/

@liviubajan6804 2 года назад

@@curlykipper thank you.

@Azam94856 3 года назад

where can I find all of the available cable sizes with overall diameters in BS 7671 or the on-site guide ?

@jayjohal6892 Год назад

Can I connect 2 different size twin & earth cables together?? Eg. One cable is bigger than the other ?? I’m upgrading our hand dryer but the new cable is smaller than the old one from the wall

@uknow8561 Год назад

which tool to you use to strip a 10 mm cable twin and earth,.. and wires?

@steveokinevo 5 лет назад

In Ireland this has changed the CPC is insulated now and is also the same size as the line conductors. Most cable sizes are solid rarely we see stranded t&e.

@doma7956 3 года назад

This is city and guilds so what does Ireland have to do with UK standards?

@steveokinevo 3 года назад

@@doma7956 we adopt both BS and EU standards. And we also use the UK 3 pin plug so ireland has alot to do with the UK stuff pal

@dvrn86 2 года назад

@@doma7956 drop the attitude lad no need for it.

@Aliefizz 5 лет назад

Hello, thanks for the content but some of us more experienced when will you be doing some commercial and industrial type stuff? Thanks :)

@GSHElectrical 5 лет назад

Hi. My videos are for trainee learners so some content is at the lower end. I do have videos on cable tray, conduit, trunking, at and SWA etc. We release 2 videos a week so maybe some will interest you 👍. Thanks for commenting and watching GSH Electrical.

@m101ist 2 года назад

A colour coded strip on the outer grey insulating sheathing for the different sizes of cable would be a good Idea.⚠️😳

@dvrn86 2 года назад

So would a 16mm² t&e be considered within regs to be ran from an rcd after the cutout to the main CU? As opposed to tails or split con?

@GSHElectrical 2 года назад

👍🏻

@deang5622 Год назад

Read the Onsite guide. Technically you can have whatever thickness (CSA) of cable you want so long as it can handle the current. There just happens to be a standard set of sizes to cope with certain common current requirements.

@CAR_SOLUTIONS 4 года назад

If a house was a average 3 bedroom house would two bedrooms be wired with a 2.5MM cable and the last one with a 6MM because the room is a lot further away from the first socket point on a 32AMP breaker OR is the 50Metre max length of a cable per cable not from consumer unit to end of house (what I mean is from consumer unit to first socket then another cable from that socket to the next one should not exceed 50 metre per cable or is it from consumer unit until end socket in the 3rd bedroom socket)

@deang5622 Год назад

The standard lengths of the final circuits are based on using a particular CSA of cable to enable a specified maximum current to be carried. So 50 metres is the length of the entire cable length at the specified CSA in mm^2. If you want a cable length longer than that, then you need to increase the thickness of the cable, increase the CSA. It's down to you then, to do the calculations to determine what CSA you need. I would be careful mixing different CSA cables in a single final circuit, as you may end up overloading the cables of lower CSA. But you need to analyse the currents and decide on what CSAs are appropriate.

@boguslaw1615 9 месяцев назад

Hi, What size of cable I should use for domestic electric shower ?

@shaunbeard593 5 лет назад

Hi Gaz could you tell me if the drilling zones in beams and wall chasing zones have altered in 18th edition. Thanks

@GSHElectrical 5 лет назад

Hi. No changes 👍

@shaunbeard593 5 лет назад

@@GSHElectrical thank u

@shaunbeard593 5 лет назад

The new linian clips. Would regs permit drilling into trusses for this type of clip if not what clip could be used under 18th edition thanks

@mittonitto1234 4 года назад

Hello. I need some help. My house garage door was wired 20g for the door opener. But I bought a new opener that was designed to use 22g. Which I didn't know before I bought it. If you can tell me how can I get it to work. It can't take the signal when I connected it. Can I use resistors to make it work?

@deang5622 Год назад

You are getting mixed up. 20g, 22g refer to the thickness of the cables. The problem you might be having is fitting the thicker cable into the screw termination which is for a thinner cable. You don't solve that problem by using resistors.

@chrisg922 3 года назад

Hi. Wondering if anyone could help me. I bought a cable for my electric cooker and its got to be 6mm2 minium. I purchased a 6mm2 off ebay and it came today and on the cable it says 5mm2? Is this this correct or have they sent me the wrong cable?

@Michael33342 3 года назад

They sent u the wrong cable

@db-bv5rs 3 года назад

I read somewhere that said ‘ here is a standard 2.5mm2 cable’ and on the diagram it said the cross sectional area was 1.78mm. Is this right? Or is it actually 2.5mm2 on each conductor?

@monicasue9673 3 года назад

Hi Daniel, 1.78mm is Copper conductor diameter for 2.5sqmm2 electric wire. 1.78*1.78*0.785=2.4872sqmm2 which nearly to 2.5sqmm2 So its actually 2.5sqmm2 on each conductor.

@db-bv5rs 3 года назад

@@monicasue9673 ye I found that out a long time ago, but thanks for the reply. Did u make an account to reply to me?😂

@merlin5476 3 года назад

@@monicasue9673 excellent info Sue, ive been an electrician for a number of years and recently someone asked me... " if the tails are 25mm why are they NOT 25mm in diameter"

@donquixote3820 Год назад

Not sure if this thread is still live, but when you say the diameter of the cable is 6mm (for example) are you talking about the combined diameter of the live and neutral cables. The cables idividually only appear to be about 3mm in diameter, which is why I ask. I'm having a 9.8kw shower installed and the cables (individually within the unit look about 5mm in size. (Which is why I ask.) Thanks.

@deang5622 Год назад

No. The diameter or CSA (in mm^2) relates to a single wire, either live or neutral. It is not the combined CSA of both.

@deang5622 Год назад

Which country are you in? If you're in the UK you can't do electrical installation work without having the suitable qualification, and if you're asking a fundamental question on what the definition of CSA is, that suggests you are not adequately qualified, under UK requirements, to perform the installation.

@donquixote3820 Год назад

@@deang5622 I'm in the UK. I'm not installing it myself. The plumber wanted a picture to send onto the electrician to see what size cable the existing Advance 9.8S shower had. The plumber and electrician have now fitted the new model Advance 9.8kw shower to the existing cable. So, I guess it must have been 10mm2. Like for like.

@danielyawson2248 Год назад

So 6mm and 4mm cable which one is good for water heater connection for house

@turbotax6452 9 месяцев назад

If you have to ask you probably shouldn't do it yourself. 😅

@psthapa3681 Год назад

Can we use 10 mm instead 6mm on cooker?

@GSHElectrical Год назад

Yep

@maciejzaremba3888 4 года назад

Anybody found just simple table / chart?

@manofriend4236 2 года назад

Hi what % of those wire is made of copper ?

@deang5622 Год назад

100%. Aluminium cables are rarely used here.

@manofriend4236 Год назад

@@deang5622 what % is copper and what % is plastic (pvc)?

@Mobile-pd1uc 4 месяца назад

Whats cpc

@a_l7515 5 лет назад

For the 2nd time can someone pls tell me what intro music this is? ............pls don't make me ask the third time.

@GSHElectrical 5 лет назад

Hi. You can ask for a third time and I still don’t know the answer...

@jonathan_ansell 2 года назад

please stop putting your fingers across the live and neutral !

@GSHElectrical 2 года назад

* line and neutral 👍🏻

@TimmyTheSnail Год назад

It’s twin and earth. Everyone knows it’s twin and earth. Stop calling it CPC just to sound smart 😂😂 also it just takes longer to say so what’s the point

@GSHElectrical Год назад

The exams with call it the CPC