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TOTAL
CURRENT
L e n g t h o f C o n d u c t o r f r o m S o u r c e o f C u r r e n t t o D e v i c e a n d b a c k t o S o u r c e
ON CIRCUIT
IN AMPS.
10
15
20
5
18
16
14
10
14
12
10
15
12
10
10
20
10
10
8
25
10
8
6
30
10
8
6
40
8
6
6
50
6
6
4
60
6
4
4
70
6
4
2
80
6
4
2
90
4
2
2
100
4
2
2
5
18
18
18
10
18
16
14
15
16
14
12
20
14
12
10
25
12
12
10
30
12
10
10
40
10
10
8
50
10
8
6
60
10
8
6
70
8
6
6
80
8
6
6
90
8
6
4
100
6
6
4
A M E R I C A N B O A T A N D YA C H T C O U N C I L R E C O M M E N D A T I O N S
C O N D U C T O R S S I Z E S F O R 3 % D R O P I N V O L T A G E
25
30
40
50
60
12 Volts - 3% Drop Wire Sizes (gage) - Based on Minimum CM Area
12
12
10
10
10
10
10
8
6
6
8
8
6
6
6
6
6
6
4
4
6
6
4
4
2
6
4
4
2
2
4
4
2
2
1
4
2
2
1
0
2
2
1
0
2/0
2
1
0
2/0
3/0
2
1
0
3/0
3/0
1
0
2/0
3/0
4/0
1
0
2/0
3/0
4/0
24 Volts - 3% Drop Wire Sizes (gage) - Based on mInimum CM Area
16
16
14
12
12
12
12
10
10
10
12
10
10
8
8
10
10
8
6
6
10
8
6
6
6
8
8
6
6
4
6
6
6
4
4
6
6
4
4
2
6
4
4
2
2
4
4
2
2
1
4
4
2
2
1
4
2
2
1
0
4
2
2
1
0
© 2008 Aqua-Hot
®
600-D Hydronic Heating System Installation Manual
appendix B: Wire Gauge Information
70
80
90
100
110
8
8
8
6
6
6
6
4
4
4
4
4
2
2
2
2
2
2
2
1
2
2
1
1
0
1
1
0
0
0
0
0
2/0
2/0
3/0
2/0
2/0
3/0
3/0
4/0
3/0
3/0
4/0
4/0
4/0
3/0
4/0
4/0
4/0
4/0
4/0
12
10
10
10
10
8
8
8
6
6
6
6
6
6
6
6
6
4
4
4
4
4
4
4
2
4
4
2
2
2
2
2
2
2
1
2
2
1
1
0
1
1
0
0
0
1
0
0
2/0
2/0
0
0
2/0
2/0
3/0
0
2/0
2/0
3/0
3/0
2/0
2/0
3/0
3/0
4/0
F e e t
120
130
140
150
160
6
6
6
6
6
4
2
2
2
2
2
2
1
1
1
1
1
0
0
0
0
0
2/0
2/0
2/0
2/0
2/0
3/0
3/0
3/0
3/0
3/0
4/0
4/0
4/0
4/0
4/0
10
8
8
8
8
6
6
6
6
6
4
4
4
4
4
4
2
2
2
2
2
2
2
2
2
2
2
1
1
1
1
1
0
0
0
0
0
2/0
2/0
2/0
2/0
2/0
3/0
3/0
3/0
3/0
3/0
3/0
3/0
4/0
3/0
3/0
4/0
4/0
4/0
4/0
4/0
4/0
4/0
4/0
4/0
4/0
— Page B-1 —
170
6
2
1
2/0
3/0
3/0
4/0
8
6
2
2
1
1
2/0
2/0
3/0
4/0
4/0
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