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A-8
INSTALLATION
RANGER 275
A-8
Connection of Ranger 275 to premises wiring must be done by a licensed electrician and must comply
with the National Electrical Code and all other applicable electrical codes.
240 Volt
60 Hz.
3-Wire
Service
POWER
COMPANY
METER
240 VOLT
120 VOLT
120 VOLT
LOAD
N
NEUTRAL
BUS
GROUND
PREMISES
DISCONNECT AND
SERVICE
OVERCURRENT
PROTECTION
GND
N
NOTE: No. 8 COPPER CONDUCTOR CABLE SEE
NATIONAL ELECTRICAL CODE FOR ALTERNATE WIRE
SIZE RECOMMENDATIONS.
240 VOLT
GROUNDED CONDUCTOR
40 AMP
240 VOLT
DOUBLE
POLE
CIRCUIT
BREAKER
DOUBLE POLE DOUBLE THROW
SWITCH RATING TO BE THE SAME
AS OR GREATER THAN PREMISES
SERVICE OVERCURRENT
PROTECTION.
50 AMP, 120/240
VOLT PLUG
NEMA TYPE 14-50
50 AMP, 120/240 VOLT
RECEPTACLE
Figure A.1
CONNECTION OF Ranger 275 TO PREMISES WIRING
Table A.1
Extension Cord Length Recommendations
WARNING
Current Voltage Load Maximum Allowable Cord Length in ft (m) for Conductor Size (AWG)
(Amps) (Volts) (Watts) 14 AWG 12 AWG 10 AWG 8 AWG 6 AWG 4 AWG
15 120 1800 30 (9) 40 (12) 75 (23) 125 (38) 175 (53) 300 (91)
15 240 3600 60 (18) 75 (23) 150 (46) 225 (69) 350 (107) 600 (183)
20 240 4800 60 (18) 100 (30) 175 (53) 275 (84) 450 (137)
25 240 600 90 (27) 150 (46) 225 (69) 250 (76)
30 240 7200 75 (23) 120 (37) 175 (53) 300 (91)
38 240 9000 100 (30) 150 (46) 250 (76)