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Tri-rated Cable panel wiring is a high temperature, flame retardant cable designed for use in the switch control, relay and instrumentation panels of power switchgear and for purposes such as internal connectors in rectifier equipment, motor starters and controllers. Tri-rated Cable is sometimes referred to as BS6231 Cable or Panel Wire.
| AWG (No of Strands/ Strand Diameter) |
No. of Cores x Nominal Cross Sectional Area #xmm^2 |
Nominal Thickness of Insulation mm |
Nominal Overall Diameter mm |
Nominal Weight kg/km |
| 20(16/32) | 1x0.5 | 0.80 | 2.50 | 12 |
| 18(24/32) | 1x0.75 | 0.80 | 2.70 | 15 |
| 17(32/32) | 1x1 | 0.80 | 2.95 | 18 |
| 16(30/30) | 1x1.5 | 0.80 | 3.20 | 23 |
| 14(50/30) | 1x2.5 | 0.80 | 3.65 | 34 |
| 12(56/28) | 1x4 | 0.80 | 4.20 | 48 |
| 10(84/28) | 1x6 | 0.80 | 4.70 | 67 |
| 8(80/26) | 1x10 | 1.14 | 6.50 | 119 |
| 6(128/26) | 1x16 | 1.52 | 8.00 | 187 |
| 4(200/26) | 1x25 | 1.52 | 9.40 | 291 |
| 2(280/26) | 1x35 | 1.52 | 10.60 | 406 |
| 1(400/26) | 1x50 | 2.02 | 12.90 | 580 |
| 2/0(356/24) | 1x70 | 2.02 | 14.60 | 780 |
| 3/0(485/24) | 1x95 | 2.02 | 16.10 | 1055 |
| 4/0(614/24) | 1x120 | 2.02 | 17.90 | 1175 |
| 300 MCM (765/24) | 1x150 | 2.41 | 20.20 | 1425 |
| 350 MCM (944/24) | 1x185 | 2.41 | 22.85 | 1735 |
| 500MCM(1225/24) | 1x240 | 2.41 | 24.40 | 2310 |
*Cables above 120mm^2 in size are referred to as Bi-rated since the CSA standard applies only to sizes up to and including 120mm^2
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