Fire Resisting Cable


Fire Resisting Cables


Current Rating and Voltage Drop

Single Core PVC Insulated Flexible Cables

Technical Data Flexible Cord, Imperial Sizes
Conductor Current Rating Volt Drop per 100FT Maximum Weight supportable by twin flexible cord (lb)
Nominal Area (in²) Construction (no./in) 1 or 3 phase ac or dc (Amp) dc or 1 phase ac (V) 3 phase ac (V)
0.0006 14/0.0076 3 8.9 7.7 3
0.0010 23/0.0076 6 11 9.4 5
0.0017 40/0.0076 13 14 12 10
0.0030 70/0.0076 18 12 10 10
0.0048 110/0.0076 24 9.6 8.3 10
0.0070 162/0.0076 31 8.4 7.3 10

Note: Rating factors for ambient temperature other than 30℃ please refer Table E

Technical Data Flexible Cord, Metric Sizes
Conductor Current Rating Volt Drop per 100FT Maximum Weight supportable by twin flexible cord (kg)
Nominal Area (mm²) Construction (no./mm) 1 or 3 phase ac or dc (Amp) dc or 1 phase ac (mV/A/m) 3 phase ac (mV/A/m)
0.50 16/0.2 3 83 72 2
0.75 24/0.2 6 56 48 3
1.00 32/0.2 10 43 37 5
1.25 40/0.2 13 35 29 5
1.50 30/0.25 15 31 26 5
2.50 50/0.25 20 18 16 5
4.0 56/0.3 25 11 9.6 5

Note: Rating factors for ambient temperature other than 30℃ please refer Table E

Table E: Rating Factors for Other Ambient Air Temperatures (PVC Insulated)

Ambient Air Temperature 30℃ 35℃ 40℃ 45℃ 50℃ 55℃ 60℃ 65℃ 70℃
PVC cords, non-heat resisting 1.00 0.96 0.92 0.87 0.71 0.50 - - -
PVC cords, heat resisting 1.00 - - - 1.00 0.96 0.83 0.67 0.47