Standards regulating the connection of wire colors to pins in molded plugs

The plugs are molded and have wires connected as in the picture.
Is there a standard that regulates the connection of wire colors to the appropriate pin in this type of plugs?

There is no such thing as a legal standard.
If the location of the phase and the N wire in the socket is not subject to any restrictions, i.e. it is arbitrary, there cannot necessarily be such a requirement in the case of a plug.
To anticipate the next question, know that receivers connected with a plug cannot be sensitive to the polarization in the socket.
And if you want to remove the casing of such a device, you must first remove the plug from the socket.

In sockets, I know that there is no standard (apart from the contractual one), but plugs of this type always have the colors connected as in the photo.
If producers maintain one standard, it must mean something. Well, unless all plugins come from PRC.

There is no standard (not even contractual) regarding sockets.

If you have brown and blue veins, one must be on the left and the other on the right. There is no other way. So don't look for any hidden standards here.
This means that you will buy two cables with a plug, one with the brown wire on the right and the other on the left. And both will be ok.

Does not have to. There is no such standard. And why do you ask?

kkas12 wrote:

There is no standard (not even contractual) regarding sockets.

Krzysiek, it is and its entry reads:
"It may/may be chu... but all the same."

But in this particular issue, there is no need to agree on the same (in the facility).

kkas12 wrote:

This means that you will buy two cables with a plug, one with the brown wire on the right and the other on the left.

But that's not the case. Of the approximately 20 wires I cut from various devices, all of them had the colors connected as in the photo, including those manufactured by Legrand.
I understand that there is no such standard in Poland. Maybe there is a standard in the PRC and hence the uniformity.

stomat wrote:

And why do you ask?

There are, for example, splitters that disconnect only one wire using their buttons (I know, it's crap), so if the phase in the socket is on the left, the button will disconnect the N wire, which may end badly.

What do IEC or CEE standards say about plugs?
In IEC 60320 connectors, there is a conventional polarity of the L and N pins: https://www.plugsocketmuseum.nl/PowerCord1.html

If you know more, please direct your question to the manufacturers of cables with plugs.
Let them tell you what motivates them.

And I assure you, the author of the thread, that there are photos on the forums of such wires where the places of the blue and brown wires are not the same,
And it has no significance for the user.

The standard will not help much because there are grounded sockets without a pin (then the plug can be inserted in 2 positions).

There is an unwritten rule that in sockets the phase should be on the left and 0 on the right.

Meanwhile, in a neighboring country it is:

What should the manufacturer of the cable with plug do to ensure that the product meets ALL European standards?

pla20 wrote:

There is an unwritten rule that in sockets the phase should be on the left and 0 on the right.

The theory is wrong. The standards of all other countries that accept sockets as polarized refer to the phase contact on the RIGHT side.
But in Poland, sockets are considered unpolarized, which is why there are double sockets in which the polarity is reversed.

E8600 wrote:

there are grounded sockets without a pin

Schuko, of course, is standard in De and A, not in Pl.

BANANvanDYK wrote:

pla20 wrote:

There is an unwritten rule that in sockets the phase should be on the left and 0 on the right.

The theory is wrong. The standards of all other countries that accept sockets as polarized refer to the phase contact on the RIGHT side.
But in Poland, sockets are considered unpolarized, which is why there are double sockets in which the polarity is reversed.

Well, taking into account the above and the fact that some crappy devices cut off only one wire, the phase wire should be installed in the sockets on the right side.
This would reduce hazards, despite the dual sockets that reverse polarity.

misiek1111 wrote:

This would reduce hazards, despite the dual sockets that reverse polarity.

What are these threats?

Phase connected to the device, despite apparent disconnection by a single-circuit switch:

misiek1111 wrote:

There are, for example, splitters that disconnect only one wire with their buttons (I know, it's crap), so if the phase in the socket is on the left, the button will disconnect the N wire, which may end badly.

Please show where the danger is.

If you have such a strip connected to a double pin socket, you can choose a safer plug but the phase will be disconnected (a test tube/phazer is enough).
I have one such cheap strip myself and I don't see much of a threat in it.

Electricity should be approached with limited trust and even with a decent power strip, if we fiddle with the device, we pull the plug out of the power strip.

misiek1111 wrote:

Schuko, of course, is standard in De and A, not in Pl.

I know, I have one power strip and you can extend it with this system. Such sockets are gaining popularity due to their convenience.

misiek1111 wrote:

Schuko, of course, is standard in De and A

Rather standard in most European countries, as well as Russia and Ukraine.

CYRUS2 wrote:

What are these threats?

Most manufacturers consider the use of fuses, and some also switches, relays on the "conventional" phase wire inside the device made in protection class I. If the LN is damaged/short-circuited, this is not a problem. In the event of a breakdown of the "conventional" N to PE, which is actually the phase potential, the protections inside the device will not be activated, but the protections in the electrical installation must be activated. As a result, for example, the tracks on the board burn, which makes the device unsuitable for repair due to extensive damage to the PCB.
Some devices have fuses on both power cables - then they are marked as ~ and ~, not as L and N. Bipolar switches and bipolar relays should be used correctly.

BANANvanDYK wrote:

the protections inside the device will not be activated, but the protections in the electrical installation must be activated. As a result, for example, the tracks on the disc get burned

At a current of 12-14A, no fuse will trip.
Also the 10A fuse in the strip and the paths will burn.
A friend of mine checked which fuse would work faster in the event of a short circuit - a 10A fuse in the strip or a B16 fuse in the installation.
B16 is faster.

E8600 wrote:

I have one such cheap strip myself and I don't see much of a threat in it.

I share my colleague's opinion.

BANANvanDYK wrote:

Meanwhile, in a neighboring country it is:

What should the manufacturer of the cable with plug do to ensure that the product meets ALL European standards?

pla20 wrote:

There is an unwritten rule that in sockets the phase should be on the left and 0 on the right.

The theory is wrong. The standards of all other countries that accept sockets as polarized refer to the phase contact on the RIGHT side.
But in Poland, sockets are considered unpolarized, which is why there are double sockets in which the polarity is reversed.

You are all right.
1) There is no REQUIREMENT to maintain the polarity in the CEE 7/5 socket and the protection against electric shock and fire in the receiver or extension cord cannot be based on a fixed order of wires.
2) For practical reasons, a uniform arrangement is used in the installation and wiring of plugs. It is analogous to three-phase sockets. Going clockwise PE - phase contacts - N.
3) For several dozen years, sockets in the construction industry of the Polish People's Republic were installed with the protective contact down and the installers, in accordance with the rule in point 2, connected the phase conductor from the left side. At that time, the devices were terminated with "straight" plugs.
4) The introduction of angle plugs and floor sockets showed greater practicality of locating the protective contact upwards. For unknown reasons, some installers have not modified their assembly rules and still choose to connect the phase to the left pin.

CYRUS2 wrote:

At a current of 12-14A, no fuse will trip.
Also the 10A fuse in the strip and the paths will burn.

There is no board in the power strip - cables min. 1 mm², which should easily withstand the tripping current of a circuit breaker or fuse link.
And I'm talking about a device with a 1-2 A fuse on the power supply and 2.5 mm wide tracks on the board, powered by a "unischuko" plug.

William Bonawentura wrote:

In the construction of the Polish People's Republic era, they were installed with the protective contact down

Because it was another stupid idea of the Poles, with these inverted sockets. It's good that they withdrew from them quickly.

William Bonawentura wrote:

For unknown reasons, some installers did not modify their assembly rules

But... I remember that the standards from the early '90s or training materials presented the correct way to connect the phase wire - L (phase) on the left side, even for double sockets. And again, by some miracle, things must be different in Poland than in the rest of the world.

BANANvanDYK wrote:

It's good that they withdrew from them quickly.

Not so fast at all, since to this day there is a belief that it is only right to connect the phase on the left side of the socket.
It was only right that the protective contact was located at the bottom of the socket. Today, when the PE contact has been moved to the top, the "rightness" of that time is no longer right.
However, whether the phase is on the right or left side does not matter.

BANANvanDYK wrote:

And again, by some miracle, things must be different in Poland than in the rest of the world.

He informs his friend that PN-HD standards apply in Poland. Harmonized with the EU.
So don't let your friend tell you fairy tales that things must be different here than in the rest of the world.

William Bonawentura wrote:

For unknown reasons, some installers have not modified their assembly rules and still choose to connect the phase to the left pin.

Well, in my own kitchen I installed it in the style of the Polish People's Republic.

Mierzejewski46 wrote:

Well, in my own kitchen I installed it in the style of the Polish People's Republic.

Now you need to look for appropriate angle plugs with a connection cable on the same side as the socket for the PE pin. Unless you don't mind this kind of flair.

The toaster cable is constantly connected there, there is butter under the socket, and this is its place, and the cable was always soaking in the butter, as it was directed downwards, I turned the socket around and now it sticks upwards, bypassing the butter. According to my wife, changing the position of the plate with butter was out of the question, so I changed the position of the socket. The art of compromise has been successful. My wife's happiness above all else.

Mierzejewski46 wrote:

The art of compromise has been successful. My wife's happiness above all else.

But probably neither your wife nor you, nor the toaster, cares which side of the socket the phase is on?

Before dismantling the socket, did you check where the phase was, then after turning off the circuit, did you check it again (on both contacts, in case you made a mistake earlier) and then started working?

This is probably a conventional rule. This rule is not followed by manufacturers of heating boilers and electric cookers, which require a service technician/installer with appropriate qualifications to properly install the plug on the cables, i.e. the phase cable where there is actually a phase, etc.