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APPENDIX
REFERENCE TABLES AND GRAPHS
APPLIANCE
Single PL Light
B & W TV
Computer
Color TV
Blender
Skil Saw
Toaster
Microwave
Hot Plate
If the current draw at 120 VAC is known, then the battery amperage at 12VDC will be 10 times the AC
amperage divided by the efficiency (90% in this table).
Motors are normally marked with their running rather than their starting current. Starting current can be
five times running current. Keep this in mind when sizing a motor into a system.
Refrigerators and icemakers typically run about 1/3 of the time. Therefore, their average battery current
draw is 1/3 what their amp rating would indicate.
AWG
14
12
10
8
6
4
2
1
0 (1/0)
00 (2/0)
000 (3/0)
0000 (4/0)
Note: Stranded wire sizes and ampacity for 75 C.
2001 Xantrex Technology, Inc.
Page
5916 - 195th Street N. E.
130
Arlington, WA 98223
Table 9, Power Consumption Of Common Appliances
WATTS
5
10
.1
50
.4
100
1
200
2
400
3
800
6
1000
8
1200
10
1800
15
Table 10, AWG to Metric Wire Conversion Chart
DIAMETER/MM
1.63
2.05
2.59
3.26
4.11
5.19
6.54
7.35
8.25
9.27
10.40
11.68
TIME IN MINUTES
15
30
60
.3
.7
1.3
1
2
4
2
4
8
4
8
17
8
17
34
17
34
67
23
46
93
28
57
114
44
88
176
AMP-HOURS
AREA/MM²
2.08
3.31
5.27
8.35
13.3
21.2
33.6
42.4
53.4
67.5
85.0
107.2
Telephone: 360/435-8826
Fax: 360/435-2229
www.traceengineering.com
120
240
2.7
5.3
8
17
17
34
34
67
67
133
133
266
185
370
227
455
353
706
DC RESISTANCE
1000 FT
3.14
1.98
1.24
0.778
0.491
0.308
0.194
0.154
0.122
0.0967
0.0766
0.0608
SW Series Inverter/Charger
Part No. 2031-5
Rev. C: February 2001
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