Micc conversion from imperial to metric

[Sparky 63]

Evening Gents,
Does anyone has conversion chart for MICC cables Imperial to metric , I have to admit I am not an authority when it comes to MICC.

Thanks

Sparky 63

 

[D Skelton]

I haven't used a conversion chart however I have used the table on page 10 of this catalogue:

http://www.fire-cables.co.uk/documents/Pyro Catalogue.pdf

Measure the outside diameter of the imperial mineral with some calipers (they need to be accurate to within a tenth of a millimeter) and then size the appropriate pots and glands from there.

 

[tazz]

We have found we can`t match metric with imperial.....so have used the nearest imperial gland to terminated in adaptable box, crimped and continued in metric....is there a better solution...??

 

[Pete999]

Google MICC conversion chart, Jesus

 

[Meggerman]

Google MICC conversion chart, Jesus

Another helpful post. ffs

 

[tazz]

Google MICC conversion chart, Jesus

Whats with the jesus.....have you tried glanding a imperial micc with metric gland....???
It was aimed at Mr Skelton....were I would get a sensible answer....

 

[Meggerman]

Whats with the jesus.....have you tried glanding a imperial micc with metric gland....???

No, metric hadn't been thought of when he was operating

 

[Sparky 63]

i thought it might be worth ago

 

[Lucien Nunes]

What particular size do you need to terminate?

 

[D Skelton]

Whats with the jesus.....have you tried glanding a imperial micc with metric gland....???
It was aimed at Mr Skelton....were I would get a sensible answer....

I was talking about sizing the appropriate metric glands to fit the imperial cable.

 

[Sparky 63]

well i know the mi cable is approx 8mm in dia , it serves a lighting circuit , the cables appear to about 1mm in diameter ( 2 0ff)

 

[benji]

certain metric glands will fit imperial micc a digital vernier is what you need, the pots can be a problem to fit correctly but as a last resort you could drill the pot thread out and solder them on

 

[Lucien Nunes]

a digital vernier is what you need

Or look for the 3-digit number on an existing gland to confirm the replacement gland size. If you know that and the number of cores it completely identifies the original cable. E.g. a 2-core cable in a 234 gland would be 0.0015 sq ins or 1mm²

8mm OD on a lighting circuit? 8mm is 0.315in., for a 440V 2-core that would be closest to 0.0045 sq ins which is about 2.9mm², which is 0.324in OD. For a 660V it would be closest to 0.002 or 1.3mm² which is 0.340in OD, but would not expect a 660V cable on a lighting cct.

Check that number...

 

[Sparky 63]

Thanks Lucien thats very useful.

Sparky 63

 

[Richard Burns]

I think Lucien has covered it but this document may assist it gives the metric equivalent suggestions for imperial cable.
View attachment Pyro specs imperial .pdf