Metric Conductor Ampacity

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barclayd

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I am reviewing a design for a foreign project that specifies metric wire sizes, two of which are 70mm & 95mm. I have a table that shows 70mm is between 2/0 & 3/0, and 95mm is between 3/0 & 4/0.
Does anybody know where I can access a table that lists ampacities for the metric-sized conductors?
thank you
db
 
I hope this helps

ry%3D480
 
barclayd said:
I am reviewing a design for a foreign project that specifies metric wire sizes, two of which are 70mm & 95mm. I have a table that shows 70mm is between 2/0 & 3/0, and 95mm is between 3/0 & 4/0.
Does anybody know where I can access a table that lists ampacities for the metric-sized conductors?
thank you
db
Click to expand...
BS7671.
You need to know what type of cable, conductor material, installation method, the type of protection etc.
Typically 70mm^2 three or four core armoured would give you around 200A rating and 95mm^2 about 250A.
 
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