How to Strip this Amazing New Twin & Earth Cable
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- čas přidán 29. 08. 2024
- We are excited to share a breakthrough innovation in electrical cables - the EarthSure cable from Doncaster Cables and the techniques required to strip it.
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Gone are the days of struggling with sleeving over the earth wire on Twin & Earth Cables. The EarthSure cable is the solution that electricians have been waiting for. This revolutionary cable looks like regular Twin & Earth but is now equipped with a fully-sleeved earth conductor.
What's truly remarkable about the EarthSure cable is that it maintains the exact dimensions, performance, and approvals of regular BS6004 T&E cables. Electricians can easily incorporate it into their existing installations without the additional hassle of earth-sleeving.
In this exclusive video, our Gary Hayers and Aaron Walstow from Doncaster Cables demonstrate how to strip EarthSure cable
The EarthSure cable is a game-changer in the industry and is sure to become a favorite among electricians.
#cables #electricians #electricalinstallation
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£50 !! Shocking
This type of cable is the standard in my country. All wires are insulated. Always wondered why you guys don't have insulation on the earth wire.
Because it doesn't add anything to safety really. This is more about convenience. In the USA they don't even sleeve the earth, although it now is in the UK as there is the danger that when a socket or switch is pushed into the box that a bare CPC could contact a live part (more a nuisance due to the trip then a danger).
If the insulation on the line and neutral conductors starts breaking down in T&E cable, then having an extra layer of insulation on the CPC isn't going to add any safety. That cable is already potentially hazardous and in need of replacement. All that will happen is you will find out about it rather later if the CPC is insulated.
As to the reason, the CPC isn't insulated, then it's going to be down to cost and bulk. This new cable has thinned down insulation using a different material, but it's going to be more expensive. However, as installation is now the biggest cost of all, then it's likely to gain traction as it saves one small part of the time required.
I was taught to strip t & e cable with a knife running down the middle slightly angled towards the bare earth conductor bit tricky at first but with practice it became 2nd nature and stood me in good stead for almost 50 years in the game. Pretty sure this technique wouldn’t be so easy with the new earth sure cable. I am surprised how long it has taken for this design to appear on the scene.
That how I was taught to strip TW&E when I was at college 1987 - 1992
To the way I do it
Hasn't the earth been identified for years? It's the conductor with no sheath! I never understood why it needs to be insulated in the first place??
@@Chris-hy6jy so the earth can’t make contact with the Active and Neutral wires
@@lakesgames8402 correct, the live or neutral conductors should never touch earth.
In the exhibition industry, we were using T+E with sleeved earth back in about 2002, it was made by a few manufacturers, I'm pretty sure doncaster were among them.
I have just dug deep into the back of the stores, & found a part drum from then, it is made by Wessel, we used to get it in 2.5 & 1.5 sizes.
So 20 odd years ago it was being made & sold in the UK !
The black and yellow automatic cable & wire stripper shown is for stripping 0.75 to 2.5 mm². There is another variant of the stripper that is for stripping 6 to 16mm². You would need to experiment with stripping 4mm².
Thanks for the feedback
Great invention, It is good to see after all this time improvements can be achieved by innovation.
Great that they have thought about the sizing regards accessories ect.
Instead of bringing out cable oversized that most wouldn't use because of clip sizes ect.
Well thought out product.
Roll on march.
Great comment 👍🏻
Those cable strippers make it easy but try using them in a 47 mm back box!
They look like they may just fit
Does it have the same thermal derating properties as normal twin and Earth?
can we have red and black wires again?
I love my strippers.....................;)
Blades have gone a bit blunt though. Any idea how to repair/replace?
Great product btw.......
Next step, making the cpc the same size as the live, makes hitting Zs targets easier.
maybe if the price of copper comes down...........
Why not include a stripping cord like on alarm cable/phone cable?
cost...
Welcome to 1970s Australia, where you've landed somewhere between the change from under sized bare 3 strand earth between active and neutral, to all conductors are insulated and the same size in 1mm, 2.5mm across active , neutral, and earth with thick outer sheath. Followed by 7 stranded cores for all. Then, in the 90s, all cables get a thin inner and outer sheath to the present day. Here's hoping you'll catch up soon to the more flexible stranded cables with an insulated earth.
There is no need to have a full sized CPC. Can you Aussies not do the calculations? The sizing is all based on the time required for a fault current to trip a breaker or fuse. Wasting copper is not clever, it's dumb.
In Aus your external sockets are literally just pointed down so rain doesn't get in them. When will you guys catch up with correct ingress protection?
@iedlos687 What on earth do you mean by "straight down"? Does that mean the plugs are inserted from underneath? That sounds extremely odd. In any event, external sockets in the UK are mounted in IP66 rated enclosures and, trust us, we do know about rain.
In addition, it must be a sad old life when you don't have much else to do but to go around trolling others electrical standards.
nb. I have now looked at some images of outdoor Australian sockets, and there are some angled down at 45 degrees (not straight down), and they would not be permitted in the UK as the whole thing is not in an IP66 rated enclosure. Also, not all of them point downwards. I can see images of some let into walls but at a normal angle. There is a weatherproof flap covering the actual socke (which is mounted vertically as normal). When the flap is open, the socket is exposed which is fine in the dry, but it affords no protectionto either the socke or plug if it starts raining. UK outdoor IP66 rated sockets have a waterproof cover that closes down over the plug and socket combination with the cable exiting from the bottom via a rubber gasket providing protection to both the plug and socket if it starts raining. I suggest you look at some of them.
😂😂😂
@@TheEulerID there is no need technicly .. but still regulations in a lot of countrys require it ( most of europe belgium/holland/germany all our cables have same diameter CPC only for verry large cable the CPC can be half of the live conductor . for example on 120mm² cables we can use a 70mm² CPC .. )
Using this twinearth in Belgium would not be approved .. cpc to small / and cables a probably not CCA ( fire rating )
It's a bit of pitty why not 1 standard cable we can use EVERYWHE in Europe . we also don't have flat cables anymore like in de 70's .. all round cable here for fixed installation . Also fine stranded is only allowed in the fuse board .
I showed this to the wife and said take notes. In the bedroom that night I said show me what you've learnt, what the hell are you doing with that cable love?
To be clear, the size is 2.5 square mm and not 2.5mm squared, which would be a different sized cable.
Can you uncoil it and see how much cable is waisted due to it bean twisted and over wound on the drum.
Is this going to come out in LSF
Having a PE conductor that has a smaller area than the line conductor, for conductors under 16 mm2, is not allowed without special calculations according to IEC 60364-5-54 table 52.2. Do you have other rules in Great Britain?
Regards from Sweden
Not sure of this? IEC 60364 outlines two methods for sizing the earth conductor (adiabatic and simplified). If you calculate the adiabatic method, you can use smaller conductors even when under 16mm2
We tend to use British standard so BS6004
Almost same rules in Belgium .. we can not use this type of cable the cpc must be same size idd .
Hello we are part of solution for the planet in the UK and we were hoping you could collaborate with us and help us with our product
Cool, but old fashioned
Does Doncaster cable make 4mm twin and earth earthsure
The sleeved cpc makes "easier"
Meh, not sure about it myself...
2.5mm Twin and EarthSure
Brilliant job.
Thanks 👍🏻
I used to run a stanley knife against the earth conductor so thats out the window now .
Imagine being this much behind. Still using speaker cables.
Are they gonna make this in LSF?
Probably if its popular enough, like im still waiting on seeing if MK make any other lever style connections for their accessories, but looks like the sockets are a bit too expensive and not popular
@pn8902 I think switches and ceiling roses would be best as a lever terminal, and controversially I think MCB/RCBO should be. If we have to torque them to a certain spec, why not make them spring loaded so we can't get it wrong
@@darylsavage119what are you nuts .
@Dog-whisperer7494 that's why I said controversial 😂
@@darylsavage119Many other countries are already using it for their protective devices (bar the main incoming tails) and their entire accessory lineup, I'm with you mate, we're back in the times with the crappy flatheads
Is this new cable compatible with Quickwire connectors and junction boxes?
Good question..
Don’t understand why people would still use antiquated methods and manhandle cable when there are inexpensive tools now that do it perfectly with no risk of damage to the cable.
Goes to show it’s incredibly difficult to change people’s minds after they’ve been taught a particular method.
What do we list this cable as on EIC/EICRs?
Exactly the same as the old stuff.
Whats the thermal properties? 70 degrees or 90 degrees?
70 👍🏻
It's PVC
Shouldn't matter, I doubt you will be using anything on the end rated to 90 degrees
England is like Microsoft Bing.
Not great for terminating panel boards
Finally your stoneage cabels get replaced. Now its time for them to get round instead of flat
Welcome to 1960's Sweden :)
IMO the CPC being bare copper is safer for the unsuspecting homeowner that drills through a cable. The bare earth ensures an earth fault path to quickly activate the RCD or fuse. Earth sure is a gimmick that may make our life easier, but may eventually cost a life.
Museum of electrics 😢BS 😵💫things that are withdrawn around the world are classified as new inventions 😳
I remember years ago twin and earth had the cpc sleeved. But then it stopped being manufactured
This is WANK
How are you supposed to to get those clunky things into a switch box full of cables to strip it
No thanks I think good old t/e will do especially as it’s about £30 a drum less at my local wholesalers 😂
Amazing cable …it’s just cable
As a mainland European I am laughing my ass off here. Why are you English acting as if you invented something new when mainland Europe has had this stuff since at least WW2? As in earth conductors have always been sleeved for us mainland Europeans. 😅🤣🤣🤣
I don't think they're claiming they've invented anything new, my friend.
They're probably just excited they've "caught up" as you would say.
Although, the CPC being already sleeved adds no safety features - it's PURELY for convenience.
I've never understood this weird superiority complex that sparkies have against other countries, wherever they're from, lol
Another unnecessary tool to cart around