|
CAN / CSA C68.3 - M92 CABLE CONSTRUCTION
Conductor Shield Thickness
| Conductor Size AWG/kcmil |
Minimum Average mm |
Minimum at One Point mm |
| Up to 4/0 |
0.38 |
0.31 |
| 250 to 500 |
0.51 |
0.41 |
| 600 to 1000 |
0.64 |
0.51 |
Insulation Thickness
| Rated Cable Voltage, kV |
Minimum Average Insulation Thickness
100% Insulation Level
mm
|
| 15 |
4.45 |
| 25 |
6.60 |
| 28 |
7.11 |
| 46 |
11.30 |
Insulation Shield Thickness
Calculated Diameter Over Insulation
mm |
Minimum Average
mm |
Minimum at One Point
mm |
| 25.40 or less |
0.76 |
0.61 |
| 25.41 to 38.10 |
1.00 |
0.80 |
| Greater than 38.10 |
1.25 |
1.00 |
Metallic Shield Area
|
Cable Type
|
Total Cross-Sectional Area of Concentric Neutral Wires
% of Phase Conductor Area |
| Copper Phase Conductor |
Aluminum Phase Conductor |
| URD |
100 % |
60 % |
| UD |
33 % |
20 % |
The standard metallic shield of CAN/CSA C68.3-M92 cables is soft bare copper concentric neutral wires.
Jacket Thickness (PVC Sleeve Jacket)
Diameter Under Jacket
mm |
Jacket Thickness
mm |
| Up to 10.80 |
1.1 |
| 10.81 to 17.80 |
1.5 |
| 17.9 to 38.0 |
2.0 |
| 38.1 to 64.0 |
2.8 |
| 64.1 and larger |
3.6 |
|
