Section Area And Resistance Of Electric Wire - Yanmar 3TNV Series Service Manual

11.2.4 Section area and resistance of electric wire

(1) Allowable maximum cable length （Terminal resistance is not included.）
Cable construction
Cable size
2
mm
Element No.
3 41
5 65
8 50
15 84
20 41
30 70
40 85
50 108
60 127
85 169
100 217
Note1) Allowable maximum resistance of Battery cable
Note2) Allowable maximum resistance of Starting motor circuit
(2) Terminal resistance
Generally, a terminal resistance is 15m
be included in allowable maximum resistance when the cable length is planned.
Resistance
( /m)
Cable dia.
0.32 0.005590
0.32 0.003520
0.45 0.002320
0.45 0.001380
0.80 0.000887
0.80 0.000520
0.80 0.000428
0.80 0.000337
0.80 0.000287
0.80 0.000215
0.80 0.000168
per coupler and 0
184
Note1
2m 20m
(m)
0.36 3.58
0.57 5.68
0.86 8.62
1.45 14.49
2.25 22.55
3.85 38.46
4.67 46.73
5.93 59.35
6.97 69.69
9.30 93.02
11.90 119.05
per screw setting. This resistance should
11. Electric Wiring
Ref. Note2
50m
(m) (m)
8.94
14.20
21.55
36.23
56.37
96.15
116.82
148.37
174.22
232.56
297.62