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This topic originated from the How to page called Choosing the correct size cable
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nidgehj

from United Kingdom

Joined: 07 Mar 2007
Posts: 14
Location: United Kingdom

PostPosted: Wed Mar 07, 2007 10:56 pm Reply with quote

i think this website has a cavalier approach to electrical matters, electricians spend years at college and longer receiving on site training, this is because electrical work is dangerous at best, deadly if all the correct calculations of current carrying capacity of the cables used are not correct. please stop encouraging the general public to tamper with something that could kill them
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BigJon

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PostPosted: Wed Mar 07, 2007 11:04 pm Reply with quote

icon_lol.gif icon_lol.gif icon_lol.gif icon_lol.gif
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mst

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PostPosted: Wed Mar 07, 2007 11:04 pm Reply with quote

icon_eek.gif icon_confused.gif icon_arrow.gif icon_arrow.gif icon_arrow.gif icon_rolleyes.gif

like we are.........Not icon_exclaim.gif
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davy_owen_88

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PostPosted: Wed Mar 07, 2007 11:05 pm Reply with quote

DIY'ers don't need encouraging. If we don't give them the help and advice they need they will do it anyway but with a greater chance of injury or death.

Electrical work isn't dangerous if you know what you are doing, so technically 'electrical work is safe at best' - scaremongering isn't necessary on this forum as most people who come here asking for advice appreciate the dangers and are here for a helping hand to get the job done safely.

I don't know what your motive was for shooting your mouth off but if we told everyone they weren't competent to do the work and refused to give them advice there would be a lot more injuries/deaths due to electrical work than there is now.

Davy
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moderator

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PostPosted: Wed Mar 07, 2007 11:09 pm Reply with quote

nidgehj wrote:
i think this website has a cavalier approach to electrical matters, electricians spend years at college and longer receiving on site training, this is because electrical work is dangerous at best, deadly if all the correct calculations of current carrying capacity of the cables used are not correct. please stop encouraging the general public to tamper with something that could kill them


Hello nidgehj, with all due respect this is a diy forum. If the regulars were to not give the information they do, what would you rather happen? Some one try something and see if it works? and then be killed through ignorance? All because you said they should not.

Most of the replies on this forum are from trades people who give their time / advice freely.
Without them doing so things would be a lot worse.
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mst

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PostPosted: Wed Mar 07, 2007 11:10 pm Reply with quote

Well put Davy,

Thats what i meant to write on the above post icon_lol.gif

icon_wink.gif
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Adam_151

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PostPosted: Wed Mar 07, 2007 11:10 pm Reply with quote

Quote:
I think many people have a cavalier approach to driving, professional police drivers spend a lot of time training, this is because driving is dangerous at best, deadly if serious mistakes are made. please stop encouraging the general public to do something that could kill them.


How many people were killed or injuried by electrical installations last year, and how many were killed or injured in car crashes? I'm not saying electricity is risk free, that would just be daft, but we do need to get things in perspective.


More seriously... I don't believe any regular member of this site trivialises electrical work to just a few wires and a screwdriver, we make sure posters are made aware of the technical and legal requirements of the work they are planning to undertake, domestic electrical work is not rocket science and is something which most people with some intelligence can learn if they take the time to do so, obviously diving straight in without understanding is not the right approach (but then I'll bet that there are a fair few sparks out there who don't really understand what they are doing, but just do 'electrics by numbers' the way they were shown by their gaffer many years ago!)
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DESL

from United Kingdom

Joined: 09 Oct 2006
Posts: 937
Location: Essex,
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PostPosted: Wed Mar 07, 2007 11:20 pm Reply with quote

Quote:
Hello nidgehj, with all due respect this is a diy forum. If the regulars were to not give the information they do, what would you rather happen? Some one try something and see if it works? and then be killed through ignorance? All because you said they should not.

Most of the replies on this forum are from trades people who give their time / advice freely.
Without them doing so things would be a lot worse.


Hear Hear couldn't agree more
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moderator

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PostPosted: Wed Mar 07, 2007 11:22 pm Reply with quote

Thank you. I do, do the nice things too.
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nidgehj

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PostPosted: Thu Mar 08, 2007 9:11 pm Reply with quote

im not saying the contributors do not know what they are talking about, far from it, im just suprised that this site can give out information such as the current carrying capacities of cables in a table that has no correction factors, for voltage drop or the enviroment they are going to be installed, for instance. part p isnt just for qualified electricians you know.
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bernardgreen

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PostPosted: Thu Mar 08, 2007 9:15 pm Reply with quote

nidgehj wrote:
im just suprised that this site can give out information such as the current carrying capacities of cables in a table that has no correction factors, for voltage drop or the enviroment they are going to be installed, for instance. part p isnt just for qualified electricians you know.


In the past week there have been several mentions of derating cable based on the method and conditions of installation.

Over the weeks I have seen some extremely good advice given by this forum to DIYers who obviously were unaware of the dangers they were approaching.
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davy_owen_88

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PostPosted: Thu Mar 08, 2007 9:17 pm Reply with quote

nidgehj wrote:
im not saying the contributors do not know what they are talking about, far from it, im just suprised that this site can give out information such as the current carrying capacities of cables in a table that has no correction factors, for voltage drop or the enviroment they are going to be installed, for instance. part p isnt just for qualified electricians you know.


There are numerous websites with these tables, some libraries have copies of BS7671 and their associated guides, and almost every website/shop where you can buy the cables have the details - it's hardly top secret, you don't need to be in the sparky cult to find them.

When someone asks for advice on what cable to chose the next question is usually 'what is the distance, what route does it take etc...' and the advice is then given according to the details.

What do you mean regarding the part P comment?

Davy
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RF Lighting

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PostPosted: Thu Mar 08, 2007 9:24 pm Reply with quote

I am not aware of a regular on this site who would say"you want a 16A supply? 2.5 will be fine"

The question regarding installation methods / environment is always asked.

Not like the sheds who sell cable marked with it's current carrying capacity. icon_rolleyes.gif

When was the last time you installed a 13A supply using 1.0mm˛?


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moderator

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PostPosted: Thu Mar 08, 2007 9:29 pm Reply with quote

nidgehj wrote:
part p isnt just for qualified electricians you know.


Click me

Happy now?
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nidgehj

from United Kingdom

Joined: 07 Mar 2007
Posts: 14
Location: United Kingdom

PostPosted: Thu Mar 08, 2007 9:32 pm Reply with quote

nidgehj wrote:
im not saying the contributors do not know what they are talking about, far from it, im just suprised that this site can give out information such as the current carrying capacities of cables in a table that has no correction factors, for voltage drop or the enviroment they are going to be installed, for instance. part p isnt just for qualified electricians you know.
, i also think im right in saying that electrical faults contribute to more fires in domestic premises than any other single cause, so how can electricity be as harmless as some of the replies to my post sugest
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