GSW Bus Connection: Understanding PE Rail, WLZ Wires, PEN Separation, and Grounding Earth Electrode

Question

Hello, I know that the topic has been discussed many times, but somehow it does not appeal to me. Namely, what should the GSW bus connection look like? Let's assume that we have a four-wire WLZ led to the RG, where the separation (on the PE bus) PEN to PE and N is connected to the PE bus,...

.Jack · Accepted Answer

Actually, the idea is like the picture shows. You should only strive for the equalizing rail to be as close as possible to the conductive media introduced into the building, which are preferably close to each other in one place.

retrofood · Accepted Answer

Such a freak: Foundation earth electrode

kkas12 · Accepted Answer

However, you are probably lazy. What you are asking Dr. Musial explained in an accessible way. So is the norm.

.Jack · Accepted Answer

And what else is better than equipotential bonding? When there is no continuity between accessible and foreign conductive parts within reach and they hang in the air. Equalizing connections are designed to prevent long-term maintenance of dangerous voltage within the reach of the hands and are the most reliable method of protection against electric shock. How can their effectiveness be denied?

gogi20 · Answer

If, for example, metal taps are not on metal pipes, but the installation is made of plastic, we do not ground such taps. The same goes for other metal sanitary "fixtures". I do not know if you know about it, but I wrote it so as not to miss it.

ROSOMAK7 · Answer

Yes, I know that taps on plastic pipes are not grounded, acrylic bathtubs ... sometimes in such a small single-family house, there is nothing to ground? What exactly is a foundation earth electrode? is the slab reinforcement? if so, we attach a rope to it and that's it? because reinforcement is not connected to the ground. So the hoop also has to go into the ground?

The sentence starts with a capital letter. [retrofood]

Added after 2 [minutes]:

Or maybe thick wire driven into the ground is used for this and connected to the reinforcement and then concreted?

kkas12 · Answer

Buddy, recommended (obligatory?) Reading. Firstly Link Later PN HD 60364 5-54. Without familiarizing yourself with these materials, you will not know what to do and why.

ROSOMAK7 · Answer

Ok, if the house has several floors, then you have to connect to each slab or only to the lowest one?

kkas12 · Answer

Read, read, read. The number of storeys does not affect the foundation earth electrode.

ROSOMAK7 · Answer

Ok, so far I'm not going to do anything, at most I'm trying to get SEP qualifications but first I'd like to know a little bit. Added after 4 [minutes]: Suppose it is 10m from GSW to, for example, a boiler and a stove, but these two devices are 2 meters apart. So is it enough to connect the stove to the boiler and then pull the cable to GSW? do both devices have to be connected separately? The question may be a little pointless.

ROSOMAK7 · Answer

Thanks for your help, I'll start reading as soon as I have time.

stomat · Answer

I would like to add that we do not ground taps on metal pipes, we ground the pipes themselves.

janek1815 · Answer

I read this and I have a confusion, since the house is only supplied with water through the PE pipe and the sewage system, what are we grounding? Metal bathtub only?

.Jack · Answer

Even if there is nothing to ground, which I doubt, the first thing to do is grounding the PE busbar to which the green and yellow protective conductors of the receiving circuits are connected. It is supposed to be an equalization of potentials or a more difficult word like equipotentialization. This is what the circus is for.

kkas12 · Answer

Nothing but GSW is grounding buddy john1815 , but we include with equipotential bonding. And what should be included in these connections is presented by the standard and Dr. Musiał in the link I provided earlier.

Anonymous · Answer

My friend, the standards and drawings of Dr. Musiał are not enough. Here, first of all, it is necessary to analyze whether the equipotential bonding will fulfill their role. Unfortunately, the use of these connections is obligatory in Poland.

kkas12 · Answer

And when the equipotential bonding does not fulfill its role?

kkas12 · Answer

If there is no connection between the accessible and non-accessible parts, then there is no potential equalization. So there is no equipotential bonding in this case.

Anonymous · Answer

For me, equipotentialization in the building is crazy. Because concrete and tiles do not conduct electricity. Why connect e.g. a stainless steel shower tray to GSW? How can the tension be there? Hand-hand equalizing connections are okay. But what if we are standing on the floor with our bare feet? For me tiles in the bathroom = INSULATOR.

kkas12 · Answer

Either you write about equipotential bonding, which, unfortunately, should be performed obligatorily, or you write about equipotentialization of ground rooms with the use of a foundation earth electrode.
These are two separate issues that must be distinguished.
And if you think equipotentialization is lame, then the foundation earth electrode serves no purpose.

And don't write crap about the paddling pool and first understand the correct definition of an alien part.

Anonymous · Answer

When it comes to equipotential bonding, they are closely related to equipotentialization, as the studies say. Various studies say that the foundation earth electrode plays an important role in equipotencing the building, not only the ground parts. I am supposed to understand that equipotentialization will be only on the ground floors and it will not be on the 2.3 floor? But it will improve the operation of the installation, it serves lightning and overvoltage protection, and will lower the touch voltage. I have no problem with the definition of the foreign part, moderator. Maybe the paddling pool can introduce positive and negative potential, but if the paddling pool is not connected, how can it introduce anything?

kkas12 · Answer

Buddy, by the old habit, you introduce multithreading of the topic.
You don't explain anything, but you use well-known slogans without any problems, confusing the topic more and more.
Therefore, I propose to return to the statement about the misfortune introduced by the obligatory use of equipotential bonding.

And once again, I appeal for a "rational" familiarization with the term foreign conductive part, because if our colleague had no problem with this, we would not read the above nonsense based on the paddling pool canvas.

ROSOMAK7 · Answer

Observing your polemic, I think that the topic will probably be closed in a moment, so I would like to ask one more question before it happens. If a five-wire WLZ is connected to the RG, then should the GSU be connected to the earth? and maybe not use this fifth conductor (PE) at all?

kkas12 · Answer

Better not judge if they don't judge you. And why such a question, since both the doctor and the standard 5-54 do not make the performance of the grounded GSW dependent on whether PEN or PE is introduced into the switchgear (facility).

ROSOMAK7 · Answer

Because if in this case it is grounded by the GSW (hoop iron) and in the cable joint, where the PEN split took place, PE has been grounded, then we have two groundings and it can't be so?

Miniax · Answer

What potential is added, what is negative? What are you writing about? Besides, a shower tray which is not structurally earthed (eg through a sewage system) is not a foreign conductive part and should not be covered by equalizing connections. Another of your statements, which proves that you do not understand the definition of the foreign conductive part.

kkas12 · Answer

Where did such a conclusion come from my friend ROSOMAK7? You are still not reading the indicated materials. You prefer to educate on the forum. But for God's sake, you must have some foundations. Grounding the PEN in the connector should not be of any concern to you. You shouldn't even ask if it was done. This is up to the energy supplier and nothing to do with you.

GSW Bus Connection: Understanding PE Rail, WLZ Wires, PEN Separation, and Grounding Earth Electrode

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