24 VOLT CABLE SIZING CHART

CONDUCTOR SIZES (mm²) FOR 3% VOLT DROP
Amps 2m 4m 6m 8m 10m 12m 14m 16m 18m 20m 22m 24m 26m 28m 30m 35m 40m 45m 50m
5 0.75 0.75 1.0 1.5 1.5 2.5 2.5 2.5 4.0 4.0 4.0 4.0 4.0 4.0 6.0 6.0 6.0 10.0 10.0
10 0.75 1.5 2.5 2.5 4.0 4.0 6.0 6.0 6.0 6.0 10.0 10.0 10.0 10.0 10.0 10.0 16.0 16.0 16.0
15 1.0 2.5 4.0 4.0 6.0 6.0 6.0 10.0 10.0 10.0 10.0 10.0 16.0 16.0 16.0 16.0 25.0 25.0 25.0
20 1.5 2.5 4.0 6.0 6.0 10.0 10.0 10.0 10.0 16.0 16.0 16.0 16.0 16.0 25.0 25.0 25.0 25.0 35.0
25 1.5 4.0 6.0 6.0 10.0 10.0 10.0 16.0 16.0 16.0 16.0 25.0 25.0 25.0 25.0 25.0 35.0 35.0 35.0
30 2.5 4.0 6.0 10.0 10.0 10.0 16.0 16.0 16.0 25.0 25.0 25.0 25.0 25.0 25.0 35.0 35.0 50.0 50.0
40 2.5 6.0 10.0 10.0 16.0 16.0 25.0 25.0 25.0 25.0 25.0 35.0 35.0 35.0 35.0 50.0 50.0 50.0 70.0
50 4.0 6.0 10.0 16.0 16.0 25.0 25.0 25.0 35.0 35.0 35.0 35.0 35.0 50.0 50.0 50.0 70.0 70.0 70.0
60 4.0 0.0 10.0 16.0 25.0 25.0 25.0 35.0 35.0 35.0 35.0 50.0 50.0 50.0 50.0 70.0 70.0 95.0 95.0
70 4.0 10.0 16.0 16.0 25.0 25.0 35.0 35.0 35.0 50.0 50.0 50.0 50.0 70.0 70.0 70.0 95.0 95.0 120.0
80 6.0 10.0 16.0 25.0 25.0 35.0 35.0 35.0 50.0 50.0 50.0 70.0 70.0 70.0 70.0 95.0 95.0 120.0 120.0
90 6.0 10.0 16.0 25.0 25.0 35.0 35.0 50.0 50.0 50.0 70.0 70.0 70.0 70.0 95.0 95.0 95.0 120.0 150.0
100 6.0 16.0 25.0 25.0 35.0 35.0 50.0 40.0 70.0 70.0 70.0 95.0 95.0 95.0 95.0 120.0 120.0 120.0 150.0
CONDUCTOR SIZES (mm²) FOR 10% VOLT DROP
Amps 2m 4m 6m 8m 10m 12m 14m 16m 18m 20m 22m 24m 26m 28m 30m 35m 40m 45m 50m
5 0.75 0.75 0.75 0.75 0.75 0.75 0.75 0.75 1.0 1.0 1.0 1.0 1.5 1.5 1.5 1.5 2.5 2.5 2.5
10 0.75 0.75 0.75 0.75 1.0 1.0 1.5 1.5 2.5 2.5 2.5 2.5 2.5 2.5 4.0 4.0 4.0 4.0 6.0
15 0.75 0.75 1.0 1.0 1.5 2.5 2.5 2.5 2.5 4.0 4.0 4.0 4.0 4.0 4.0 6.0 6.0 6.0 10.0
20 0.75 0.75 1.0 1.5 2.5 2.5 2.5 4.0 4.0 4.0 4.0 6.0 6.0 6.0 6.0 6.0 10.0 10.0 10.0
25 0.75 1.0 1.5 2.5 2.5 4.0 4.0 4.0 4.0 6.0 6.0 6.0 6.0 6.0 10.0 10.0 10.0 10.0 16.0
30 0.75 1.0 2.5 2.5 4.0 4.0 4.0 6.0 6.0 6.0 6.0 10.0 10.0 10.0 10.0 10.0 10.0 16.0 16.0
40 1.0 1.5 2.5 4.0 4.0 6.0 6.0 6.0 10.0 10.0 10.0 10.0 10.0 10.0 10.0 16.0 16.0 16.0 25.0
50 1.0 2.5 4.0 4.0 6.0 6.0 6.0 10.0 10.0 10.0 10.0 10.0 16.0 16.0 16.0 16.0 25.0 25.0 25.0
60 1.0 2.5 4.0 6.0 6.0 10.0 10.0 10.0 10.0 10.0 16.0 16.0 16.0 16.0 16.0 25.0 25.0 35.0 35.0
70 1.5 2.5 4.0 6.0 6.0 10.0 10.0 10.0 16.0 16.0 16.0 16.0 16.0 25.0 25.0 25.0 25.0 35.0 35.0
80 1.5 2.5 6.0 6.0 10.0 10.0 10.0 16.0 16.0 16.0 16.0 16.0 25.0 25.0 25.0 25.0 35.0 35.0 35.0
90 2.5 4.0 6.0 10.0 10.0 10.0 16.0 16.0 16.0 16.0 25.0 25.0 25.0 25.0 25.0 35.0 35.0 35.0 50.0
100 2.5 4.0 6.0 10.0 10.0 10.0 16.0 16.0 16.0 25.0 25.0 25.0 25.0 25.0 25.0 35.0 35.0 50.0 50.0

NOTE: For DC applications the distance of cable run measured is from the source to device and back to source

Firstflex has taken every precaution to ensure accurate information in this catalogue but accept no liability for any errors or omissions. Firstflex reserves the right to modify specifications at any time.