Xantrex Technology 120 VAC/60 Page 132, Recommended Minimum AC Wire Sizes 75 C, Full, Cable Size

APPENDIX

INVERTER

MODEL

105-120 VAC

UNITS

220-240 VAC

UNITS

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

FULL	FUSE/BREAKER	CABLE SIZE
PASS-THRU		REQUIRED
	REQUIRED
CAPABILITY		IN CONDUIT
60 amps	60 amps	# 6 AWG (THHN)
30 amps	30 amps	# 10 AWG (THHN)

CABLE SIZE

REQUIRED

IN “FREE AIR”*

#8 AWG (THHN)

#10 AWG (THHN)

•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.

Table 14, Knockout/Hole Size to Conduit Size Required

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

	TRADE SIZE OF CONDUIT
MM			INCHES
22.2		½
27.8		¾
34.5		1
43.7		1 ¼
50.0		1 ½
62.7		2
76.2			2 ½

Table 15, Safety Ground Wire Size Table

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

100Amp

200Amp

300+ Amps

Minimum Size of Copper

Ground Wire

#10 AWG

#8 AWG

#6 AWG

#2 AWG or greater

Page

132

 2001 Xantrex Technology, Inc.	Telephone: 360/435-8826	SW Series Inverter/Charger
5916 - 195th Street N. E.	Fax: 360/435-2229	Part No. 2031-5
Arlington, WA 98223	www.traceengineering.com	Rev. C: February 2001