ELECTRIC WIRING
3TNV88F Service Manual
13-5
Battery Cable Resistance
BATTERY CABLE RESISTANCE
Note:
•
Total allowable resistance of the complete battery cable circuit (positive cable + negative cable + a*)
(a*: Resistance (
) of a battery switch or other electrical equipment having high resistance).
•
For starter motors of less than 2.68 HP (2 kW): the total resistance must be less than 0.002
.
For starter motors of greater than 2.68 HP (2 kW): the total resistance must be less than 0.0012
.
AWG
mm²
Maximum total battery cable length
(positive cable + negative cable + a*)
12 V starter motor output
Less than 2.68 HP (2 kW)
Greater than 2.68 HP (2 kW)
m
ft
m
ft
6
15
1.5
4.75
N/A
N/A
4
20
2.3
7.4
N/A
N/A
2
30
3.8
12.6
2.3
7.5
1
40
4.6
15.3
2.8
9.2
0 (1/0)
50
5.9
19.5
3.5
11.6
00 (2/0)
60
7.0
22.8
4.2
13.7
000(3/0)
85
9.3
30.5
5.6
18.3
0000 (4/0)
100
11.9
39.0
7.1
23.4
00000 (5/0)
125
N/A
N/A
8.3
27.3
000000 (6/0)
150
N/A
N/A
10.1
33.3
3TNV88F_SVM_A4.book 5 ページ 2012年7月26日 木曜日 午後6時4分