Non-RCD protected circuits

[ColinJacobson]

This is discussion forum, not a book referral site.

Are you averse to buying and reading books

According to you the forum may as well be closed down and each trade heading have a list of books to read.

Well this one is from London and most defiantly the Cockney side - they are usually a bunch of arrogant know-it-alls.

 

[ColinJacobson]

This is also a consideration when putting a cooker on non-rcd as many cooker control units have a socket on them and being located above a kitchen worktop would definately count as intended for general use.

Good point.

 

[WabbitPoo]

Surely it applies to NEW circuits anyway, not existing ones, if that's what's on your mind.....

You write, "surly". OK:

No, I wrote "surely".

Surly is closer.

Never been called that before

 

[ColinJacobson]

To say 'all' circuits must be RCD protected is generalising a bit too much.

Fitting RCBOs on alarm and freezer circuits rather than relying on an RCD which protects multiple circuits would be an improvement, as it will protect concealed wiring; and no other circuit could cause it to trip.

I agree. However, an alarm circuit need not be RCD protected, just normal mcb?

 

[ColinJacobson]

Surly is closer.

Don't call me Shirley.

 

[ColinJacobson]

Never been called that before

Shirley you take no notice?

 

[dingbat]

I agree. However, an alarm circuit need not be RCD protected, just normal mcb?

Incorrect.

But, if you'd read the article BAS linked to, you would know that.

As most respondents have tried to tell you, domestic sockets-outlets require RCDs and so do cables concealed less than 50mm from the surface of walls or partitions, regardless of what they serve.

 

[ColinJacobson]

I agree. However, an alarm circuit need not be RCD protected, just normal mcb?

Incorrect.

So, an alarm circuits needs to be RCD protected?

No one on this thread has definitively stated one way or the other. Some imply yes others no.

 

[Monkeh]

The alarm does not need to be RCD protected. The circuit may need to be depending on installation method.

 

[ColinJacobson]

The alarm does not need to be RCD protected. The circuit may need to be depending on installation method.

That's better. The linked pdf did not state that all circuits need to be RCD protected.

So, you are saying that if the alarm cable is less that 50mm from the surface of a wall RCD need not apply?

 

[ColinJacobson]

.....

 

[Monkeh]

The alarm does not need to be RCD protected. The circuit may need to be depending on installation method.

That's better. The linked pdf did not state that all circuits need to be RCD protected.

So, you are say that if the alarm cable is less that 50mm from the surface of a wall RCD need not apply.

Uh, no, if it's less than 50mm from the surface an RCD is required. Unless it's in earthed steel conduit.

 

[JohnD]

So, you are say that if the alarm cable is less that 50mm from the surface of a wall RCD need not apply.

You've got that 100% wrong.

I find it difficult to tell if you are trying to pull our legs, or if you are a DIYer, a builder, a trainee electrician, or what. That will affect the sort of replies you get.

 

[dingbat]

That's better. The linked pdf did not state that all circuits need to be RCD protected.

Idiot.

Read it.

 

[ColinJacobson]

So, you are say that if the alarm cable is less that 50mm from the surface of a wall RCD need not apply.

You've got that 100% wrong.

I find it difficult to tell if you are trying to pull our legs, or if you are a DIYer, a builder, a trainee electrician, or what. That will affect the sort of replies you get.

I asked a simple question which no one has managed to answer. Some play games and link to books, others give half answers, others guess.

I try to interpret replies and echo the conclusion back.

It appears no one knows. I have not the answer yet.