diditrain

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Jul 30, 2008
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If you're a qualified, trainee, or retired electrician - Which country is it that your work will be / is / was aimed at?
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Hi all i am planning on using a consumer unit change in my own home for an assessment and am a little unsure on the following:

My cooker cable is 7/0.44 for the live and 7/0.36 for the cpc. Does anyone have the current carrying capacity for this cable?

Also is this the correct formula to find the metric csa equivelant?
The diameter of one strand in mm squared x pie / 4 and then multiplyed by the number of cores

Many thank`s
 
You'll find the current carrying capacity in the on site guide.

Sent from my HTC Desire using Tapatalk
 
49A on an MCB or fuse, 37A on a 3036. (from 14th edition ratings tables).

It's 6.9mm csa conductors with 4.6mm cpc.

AFAIK this is not in the OSG
 
was about to say, nearest metric equiv. is 6mm.
 
imperial was always better. don't know why we ever adopted the stupid metric system except to make it easy for morons who can only multiply and divide by 10.
 
Actually i have nothing against going metric, the only thing i don't particually like is the solid conductors of the smaller sizes of final circuit wiring. Makes pulling singles into conduit and the like a nightmare at times, they just ain't flexible enough, and are too prone to kinking etc...

But it does make me laugh at times, when the younger sparks amongst us think that the old imperial cable sizes are somehow inferior to metric sizes. When in reality most have larger current carrying capabilities than there so-called metric equivalents...lol!!!
 
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and 7/029 didn't used to snap off at the terminations. either. another good reeason fot 4mm radials -- stranded.
 
and 7/029 didn't used to snap off at the terminations. either. another good reeason fot 4mm radials -- stranded.


Actually in the Far east, they use a stranded 3mm cable, for socket outlets and general small power circuits etc... wouldn't be a bad idea in my opinion, to adopt that size and type of cable/wires in UK and Europe.
 

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diditrain

Arms
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If you're a qualified, trainee, or retired electrician - Which country is it that your work will be / is / was aimed at?
United Kingdom
What type of forum member are you?
Electrical Engineer (Qualified)

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Imperial cooker cable
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Periodic Inspection Reporting & Certification
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