Table 13, Recommended Minimum Ac Wire Sizes (75 C); Table 14, Knockout/Hole Size To Conduit Size Required; Table 15, Safety Ground Wire Sizes - Xantrex 120 VAC/60 Owner's Manual

APPENDIX

Table 13, Recommended Minimum AC Wire Sizes (75 C)

INVERTER
PASS-THRU
MODEL
CAPABILITY
105-120 VAC
UNITS
220-240 VAC
UNITS
The term "free air" is defined by the NEC as cabling that is not enclosed in conduit or a raceway.
Cables enclosed in raceways or conduits have substantially lower continuous current carrying ability
due to heating factors.
KNOCKOUT OR HOLE
DIAMETER
INCHES
7/8 (.875)
1 3/32 (1.093)
1 23/64 (1.359)
1 23/32 (1.719)
1 31/32 (1.968)
2 15/32 (2.468)
3
The ground wire should be sized per NEC 250-95. The following table is derived from this portion of the
NEC code.
Battery DC Disconnect Size
30 Amp or 60 Amp
100 Amp
200 Amp
300+ Amps
2001 Xantrex Technology, Inc.
Page
5916 - 195th Street N. E.
132
Arlington, WA 98223
FULL
FUSE/BREAKER
REQUIRED
60 amps 60 amps
30 amps 30 amps

Table 14, Knockout/Hole Size to Conduit Size Required

Table 15, Safety Ground Wire Size Table
CABLE SIZE
REQUIRED
IN CONDUIT
# 6 AWG (THHN)
# 10 AWG (THHN)
TRADE SIZE OF CONDUIT
MM
22.2
27.8
34.5
43.7
50.0
62.7
76.2
Minimum Size of Copper
Ground Wire
#10 AWG
#8 AWG
#6 AWG
#2 AWG or greater
Telephone: 360/435-8826
Fax: 360/435-2229
www.traceengineering.com
CABLE SIZE
REQUIRED
IN "FREE AIR"*
# 8 AWG (THHN)
# 10 AWG (THHN)
INCHES
½
¾
1
1 ¼
1 ½
2
2 ½
SW Series Inverter/Charger
Part No. 2031-5
Rev. C: February 2001