Missing Conductor in my Plug…
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- เผยแพร่เมื่อ 1 ก.พ. 2023
- In this short video we explain why some BS1363 plugs dont have a connection to earth and how to spot the signs that indicator this is accessible.
This video has been designed to go on the TH-cam shelf as a short video in portrait mode.
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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Takes me back to PAT testing days. Visual Inspections.
I explained this to a customer and they said I was wrong. Needless to say I didn’t do his job.
Don't bother with ignorance. Its so frustrating to deal with.😂😂
Fuckin hell, a useful TH-cam short 😮
Without horrendous music over the voice too. This person, this person does it right.
In the Netherlands you can't have a PE contact on your plug for a class two device.
Same in sweden, this would be standard shucko with no PE or a Euro plug
In the uk (where this is filmed) our socket shutters will not open without the PE pin. Some class 2 devices have a plastic pin but it’s not a requirement.
well that was interesting
Thanks
Always learning 👍🏼
Thanks
A bit more on pat testing would be good some of the equipment we test is & find is wild,not fit for use a big misapprehension the public seam to have is a pat test is walking round dishing out stickers & no idea what's involved in proper inspection & testing thanks gaz 👏
Yes, everyoine tries to compete on price for PAT... but a proper check on appliances requires a visual check, removal of the plug lid (or fuseholder) to check the correct fuse is fitted, a full test of the flex (visual or electrical, depending) then a flash test and earth bond test (at several amps). That's how I was taught and it takes several mins per appliance, minimum
In Finland that heater (with a different name) was removed from the market as it broke too easily if dropped.
Thanks for the great feedback 👍🏻
@@GSHElectricalCan you please explain what the rest of them....icons mean?
Please?
@ahmedhussain999 made in China. Do not use if you value your life
Always loved your type G plugs in the UK like this one. Use this to charge your phone and you could run an arc welder on it. Look at those prongs you could run 50 A through them!.
Good for 13 amp and 240v by law 😊but I know what you mean about the potential. They get a bit warm on my welder and 3hp compressor after a while.
@@SW-qr8qe - they just look so huge!
the sockets usually start melting over 16 amps
The only thing more painful to step on than Lego!
@@loswilko😂😂 painful memories of both!!
Thanks something new i have learnt.
Just occasionally I learn something new , thanks 😊
👍🏻
I did not know that. Very useful. Thank you
👍🏻
Today I leaned!
UK 3 pin domestic plugs are the safest, all countries should follow our design so deaths can be avoided.
yes😅 it is
What's so good about uk 3 pin plug ?
Yup, plus it will remind you to not leave them on the floor too.
@neilanderson1412
Hi, a few things of note about the uk 3 pin plug and switched socket....
1,.. It's almost impossible to accidently get a shock as half of the pins are coated with insulation (you can see it in video the black part of pin)
2, grounding pin(earth) is longer so as you push it in it unlocks the wall socket which has a safety door mechanism so small finger can't get inside, so basically you can't access the dangerous live/ neutral terminals without the earth pin its longer for safety. When the live pin makes contact the only part small fingers can touch is the insulated part of the pin.
3,... it has a built in fuse so a power surge will blow fuse, shutting off power, rather than at the consumer unit,
Sometimes can trip in consumer unit.
4,.. it's wired in such a way as if the cable is pulled the live and neutral will detatch first leaving the earth connection last to go( it should then blow the fuse) but the cable has a really good restraing clamp which makes it very hard to pull out the cables by accident. I've never seen one pulled out accidently!
5,.. its very well made, quite strong it can take a some abuse.
6,.. the design has one downside, if its left out of socket it will 99 times out of a 100 lay with pins uppermost,
If you've ever stood on lego with bare feet.....ouch with this plug the pain is on another level😂
But in reality they don't need to be pulled out as the sockets have an on/ off switch for each individual plug.
7, it has a narrow profile about 20mm just over half inch, plus the cable exits the plug vertically so it sits very close to a wall less of a trip hazard, means items of furniture can safely sit closer to the wall without causing damage to plug.
This is why its so good.
It's a good job it is, as our electricity is 240/230 v
Cheers hope this answers you question👍
@@Dave-wm2xgNot ÀLL pins are half covered with insulation and not ALL sockets are switched.
Another thing that makes them better than others is that it is very difficult for the plug to be pulled from the socket by the cable which many people wrongly do with other plugs.
Wow I've actually learnt something
Millenials: "How did you take that plug apart?"
Millennials are 40 now what are you banging on about.
@Nathan Dance If you need it explaining you wouldn't get it.
@@Otacatapetl nah nah I get what you're saying, young people being a bunch of eejits and all. As far as I know they still make you do this in school physics. At least they did when I was in school 11 years ago.
@@fairyheli2My college make you do this.😂
@@fairyheli2I'm a millennial my mum taught me how to wire a plug. I did a course a work with electrician and other colleagues. I was by far youngest however my ability to wire a plug was better than the others. It really isn't hard it should be taught at school. Even ring circuits are simple it baffles me people can't wire a plug.
I always find the plugs on those little heaters get far to hot for comfort
Generally there's something in the manual that nobody ever reads that says 'only for occasional use' or similar that gets the manufacturer off the hook.
Worse when on moulded plugs.
Thank you! Useful information.
Well, you learn something new everyday
It's always nice to have ground protection
Sometimes can be dangerous if not needed.
You can't earth double Insulation
I have that heater 👌 nice
In Sweden this would be not ok anyways, an appliance like that would have the Europlug or a standard shuko plug.
Correct. Class 2 equipment. Earth is required if it had a metal casing. Then it would be class 1 equipment.
There are non earthed metal cased Class 2 equipment. Example: typical HiFi rack devices. It just needs to be double insulated to the casing, so in particular places there are extra precautions in place there.
Nope. There are loads of metal chassis Class II items out there.
@@Grizzly01It depends on the appliances. If there is no step down transformer you would need to earth the appliance like an electric heater or lamp.
Hi-fi use Stepdown transformers and are either plastic shielding meaning class II anyway or metal shielding for RF shielding, not necessarily electrical shielding.
In most medical equipment even if it has a plastic case, they have an equipotential point which is earthed making it class I.
To make things clear, double insulated means that the person is double protected against electric shock because of the plastic case and the mains inside. These are normally fans, heaters, lamps. If there is metal surrounding the lamp or heater or fan or even a ceiling light then it must be earthed making it class I equipment
@@daljitsingh2143 All obvious points, but still don’t support your original statement that a metal case requires an earth.
@@Grizzly01 so go on: what is your question exactly? You are not making yourself clear. Are you saying that "ALL" metal chassis equipment require an earth or they don't require an earth? Thanks
This exact heater is probably telling lies because I have one the same which is earthed, the design of then is horrible
It's safe till the elements start breaking down lol
Good info, thanks
Thanks 👍🏻
In the Netherlands, we call this a class 2 device.
Is not allowed to have earth terminal on the shuko plug.
Only a class 1 device is allowed to have an earth terminal.
A class 1 device must be connected on a socket with earth protection.
Key words Class 2 Appliance
A lot of machines don’t need ER today but I think that not right,
Manufacturer of the appliance always fits the cable. So if a two core cable is fitted, then you only wire up the two cores in the plug.
And if you ever need to replace the cable to the appliance (which is extremely rare) then you replace it with like for like. And if you did replace a 2 core with a 3 core there wouldn't be a terminal inside the appliance to connect up the earth wire.
What it would mean is that the earth wire would be unnecessarily connected in the plug. Misleading but not harmful in anyway.
Looking at the front of the heater no earth is least of your worries..
A very usefull tip
I figured it was double insulation from lack of earth but never knew what the symbol looked like. Good to know :)
The only time I change the equipment is on Chinese goods. I don't like the plugs that come with them, so cut them off and swap them to a UK style plug rather than the mini UK plugs they send
Customer of mine a few years back had a plastic fan heater catch fire. Fire brigade said it’s madness they aren’t made of fire retardant plastic.
Made in China of course
On some of my equipment like that I did use 3 core cable only in case the lead was in on site my thinking was protection. Is this OK to do as it was snipped an taped over on the inside.
I do this as well, even for lamps I make. The way I look at it is it can’t hurt having
Yeah because labels never lie.
Looking at the 2 core on the jb I see where it’s going
Its called doubled insulated, so plug earth pins are solid plastic
Except the plug here doesn’t have a plastic Earth pin. Am I missing something here guys?
I don’t think it’s a requirement for an all plastic Earth pin but generally shouldn’t be done, right? I’m not a spark, these are genuine questions.
Our plugs in Ireland and England are the best.. there the safest. 😊
Just hope nothing touches the front metal grill then if your doing anything else around that unit .I like bonding pipework against regs recommendation as I know if I need safety I can touch a pipe anywhere inside or outside a home and I be safe
I mean you can see it has only two from the other end
That grill at the front must be metal? which means in a fault condition it could become energised/live so that heater shouldn't really have a double insulated cert in my opinion.. I would like to see inside that device, I'd be interested to know if it's a nichrome element how close it is to the front grill and the grill material and coating thickness if any etc
oohh flat blade driver on a pozidrive screw? tut tut
There are videos on utube that explain the UK. Plug compared to a European and USA plug. So check them. Out
This an oddball. Are not all appliances in UK now sold with moulded-on plugs?
They are sold with pre-fitted. It does not mean that they have to be moulded on. That's up to the manufacturer.
It has a built-in fuse!
probably was cheaper for the manufacturer to use the 3 pin or maybe previous model wasn't insulated
My metal panel heater uses a 2 core connection, making it class 2. If the triacs melted through one day, which would you choose an earth connection or double insulated protection? 😬
54 and learned something new
I’d argue regardless still needs the earth conductor incase the flex gets damaged it could be enough to cause the trip to go
Nope. An RCD doesn't need an earth connection in the flex to operate properly.
Not running a CPC is still stupid. It doesn't matter if the item is class 2. The cable still needs protection.
issue here is it only counts for products from reliable sources. ask a 'aliexpress' supplier to add that sticker to your product, and regardless of the internals, it'll have a square inside a square.
Looks like the plug you are opening is not for the heater but connected to the block on the table?
no plug needs a earth, its just safer.
No earth means it is double insulated by design. Means there is a path length of x mm between conductors. Forgot x but used to design power tools.
It says not to be used with extension lead anyway!
Class II
😂never seen a tv with Cpc
You can't trust those stickers
What does double insulated mean?
The square within a square makes it all safe and China has never been known to add dodgy symbols to their dodgy goods eh.
Why is it not fitted with a moulded plug?
Moulded 13A plugs tend to overheat more often... due to the resistance at the fuseholder contacts. It's perfectly acceptable from a legal point of view to have a properly fitted re-usable plug fitted. It's actually more common on some makes than others.
@@TheChipmunk2008 iv seen a few molded plugs at running 2.5kw melt the fuse in after some time don't think ther is any brass or copper in them. Can't beat the old made in the UK mk plugs with brass terminals. These days ther mainly chinesium.
@@Stainless316L have you priced those plugs lately... but absolutely on the quality
Depends on how much shock protection the manufacturer thinks the plug needs.
Probably not worth it.
Why over engineer it and incur higher cost?
If you're going to take an appliance outside and the plug risks impacting concrete/stone etc then yes, it's worth the extra impact protection. But why would you take an electric fan heater outside...going to heat the outside up huh?
(Good luck with that).
It has to be double insulated and so described.
Surely there is some metal inside to ground...
A few decades ago in most EU countries there was no PE at all, people have had socket next to the bathroom sink and lived/ still living with no issues whatsoever 👏 😉 ohh and definitely have had less electric house fires than in the UK....
Really. Do you have reliable statistics to back that up? In any event, earthing isn't primarily about stopping house fires, it's about preventing people being electrocuted if there's a fault and the outside of conductive appliance becomes live and therefore highly dangerous.
TLDR... Square in a Square= double insulated, no cpc reqd
The guy said that even if it had a metallic outer part sometimes even those don't need a protective conductor. Could someone explain when this is the case? I have a stereo with a mostly metal outer housing and and no P.C. It didn't seem safe.
Low voltage applications, typically limited to
My understanding is that it depends if a broken conductor could make contact with the exposed metal, so putting person at risk of electric shock.
I thought everyone knew that😮
Not if your just starting training 👍🏻
@GSH Electrical when I went to live on a new housing estate back in thr 80s, the majority of the electric immersion heaters were wired with 5amp 2 core flex...I raised this as an immediate hazard and they were all replaced. I hadn't even started my training. Some things you just know 😌
Look at the other en bro😢
Why is "2.5mm²" wire actually just 2mm²?
Why are manufacturers lying?
Correct. The CE on thr label is a load of nonsense No customer can find out what it represents.
Cable is not protected cut through that for a dead short
Double insulated =
If it's chinese it will have whatever sells it on amazon on the sticker.
never, ever, hold a plug in your hand when undoing the screws. Place it firmly on any surface.
I have also seen some rubbish stuff that says its double insulated when it clearly wasnt.
Why not?
@@alashiya9536 SO you have a plug in your hand and you apply pressure with a screw driver to undo the screws, then the screwdriver slips, straight through your hand, seen it done, nasty.
Place the plug on a table and hold with thumb and forefinger only, then if it slips, you just stab the table.
Double insulted no exposed metal
Class 2 equipment 🦾
Square in a Square double insulation is NOT to be earthed that's No earth. If you earth its no longer double insulation standard
Ouille
And this is why PAT testing for earth on plastic cased equipment is a joke.
Anyone can print a sticker with a square within a square. Beware of cheap Chinese appliances..
The vast majority of people should not touch electrics. They are hazards to themselves, they don't need to be hazards to other people too.
Me thinks it's a bit more complicated than that......
No, it isn't.
Earth is overrated
The flex? Do you say the flex? Brit for cord??
Short for flexible cord.
Where the fuck is the ground
Your finger nail looks baaaaaad
Nice whack on the thumb. l see🎉
And you're supposed to be an electrician? While it's true that you don't need the protective earth on a double insulated device, your plug MUST NOT have the ground pin on it if it's not connected. Meaning that's still very much an illegal connector.
Stop talking crap.
This is in the UK, where all BS 1363 mains outlet plugs have either an earth pin or an ISOD (insulated shutter opening device).
If they didn't, you wouldn't even be able to plug them in to the socket outlet.
Fool.
@@Grizzly01 Neither of which is a plug like that. To explain a bit, the thing is that you must clearly on the plug be able to see if the device is grounded or not. Even if the device is double insulated and doesn't need grounding, you're still required to follow that in the plug. You must not have an actual connector in place on the plug when it doesn't go anywhere. There are plastic replacements that you use to replace just the pin for plugging in to those protected jacks. But this, using an actual connector for it, is very much illegal.
That is a BS1363 plug, from the UK, and there is absolutely no requirement, legal or otherwise, to replace the earth pin with an ISOD if the connected appliance is Class 2.
I’m not sure if you’ve picked up that nugget of rubbish from somewhere, or just made it up yourself, but it is very much fake news.
@@Grizzly01 Except IT'S NOT AN EARTH PIN. Because it's not connected it is functionally an isod and they must not be conductive. The whole point of them is that they are not. That's what the I stands for. The standard DOES actually say thay the shutter must not be operated by anything other than an isod, or a proper ground conductor. And because this isn't connected, it's NOT a proper ground conductor.
@@danieljonsson8095 No, you are wrong. There is no requirement to swap a metallic earth pin for a non-conductive ISOD.
The appliance may not need an earth but the cable should really. Not sure how it works for plugs but it is regs
BS7671 doesn't apply to portable appliances, just the installation. It's a bit vague whether an appliance fed from an FCU is part of the installation however...
I can see though, why it doesn't apply to portable appliances, as they're not part of any specific installation The one that's ambiguous to me is the flex on lighting pendants, they definitely ARE part of the installation, yet the CPC only goes to the rose. I'd be interested in Gaz's interpretation here.
@@TheChipmunk2008 Maybe Joe could do something about it in Regulation Corner.
What would be the point of an earth wire that isn't connected to anything at the other end?
@@ferrumignis to protect the circuit wiring against earth faults (more likely with UK/US style flat cables than with the round style found elsewhere), Extending that rule to dangling lights seems extreme, but the regulations are the bible we have to work to, so it was a good question
A separate earth conductor within the flexible appliance cable, unterminated within the appliance itself isn't going to provide much in the way of protection. It wont protect e.g. against an exposed live conductor (RCD would though) or shorted live and neutral (MCB or plug fuse would).
Now cause real confusion...swap the live and neutral over in the plug.
Fuses and single pole switches should never go on the neutral. Which is a bit of an issue in countries which use Schuko as that was designed before it was realised polarisation was desirable (originally early German power systems were 110 - 0 - 110, and there was no neutral and, unlike the Americans, they never devised a means of polarising plugs and retaining backwards compatibility).
Heater might not need the earth but the cable does
BS7671 doesn't apply to appliances,. only to the installation. So no, the flex does not need a CPC
UK sockets suck ass... always changing them weekly
If you have to change them weekly there's something seriously wrong with your workmanship!!
Ever thought about installing a decent brand rather than the cheapest Chinese knockoff you can find?
@@ferrumignis here in africa ive been trying all brands, theyre all crap and cost double of the brands that dont exist here, guess its africa fault for having crap stuff
@@aggregor95 The main issues I see are that they can get physically damaged/cracked (often sockets located behind heavy furniture that gets pushed back onto them) and just occasionally a switch will go bad, but they are one of the more reliable parts of the system IME.
It's quite possible that some of the cheaper brands may be short lived, but I tend to avoid them.
No mate. It’s a great design.
Don’t buy shit
Is protective conductor the same as earth cable
Yes.
Mexicans don't bother with these. They use chicken for heaters 👍
😁