This official sponsor may provide discounts for members

# T& e cpc

Discuss T& e cpc in the Electrical Forum area at ElectriciansForums.net

#### EddieB

##### -
Arms
Welcome to ElectriciansForums.net - The American Electrical Advice Forum
Head straight to the main forums to chat by click here:  American Electrical Advice Forum

Guys
with the older 2.5 T&E the cpc is smaller than 1.5 (1mm maybe) I know the calc with a 1.5 cpc is approx x 1.67 anybody out there know the calc for a 1mm cpc

This official sponsor may provide discounts for members
S

#### Steve D

Looking at the OSG, resistance per metre in milliohms is:

2.5mm2 = 7.41
1mm2 = 18.1

Therfore, as a multiplying factor it is 18.1/7.41 = 2.44

Cheers
Steve

E

#### ezzzekiel

r2 = r1 + r2 x csa line / csa cpc + csa line

This official sponsor may provide discounts for members

Reply to T& e cpc in the Electrical Forum area at ElectriciansForums.net

This official sponsor may provide discounts for members

### Electrical Forum

Welcome to the Electrical Forum at ElectriciansForums.net. The friendliest electrical forum online. General electrical questions and answers can be found in the electrical forum.