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EXTENSION CORDS
Use proper extension cords.
Make sure your extension cord is
in good condition and is a 3-wire extension cord
which has a 3-prong grounding type plug and
matching receptacle which will accept the
machine’s plug. When using an extension cord,
be sure to use one heavy enough to carry the
current of the machine. An undersized cord will
cause a drop in line voltage, resulting in loss of
power and overheating. The table shows the
correct gauge to use depending on the cord
length. If in doubt, use the next heavier gauge.
The smaller the gauge number, the heavier the
cord.
MINIMUM GAUGE EXTENSION CORD
RECOMMENDED SIZES FOR USE WITH STATIONARY ELECTRIC MACHINES
Ampere
Rating
Volts Total Length
of Cord in
Feet
Gauge of Extension
Cord
0-6
0-6
0-6
0-6
120
120
120
120
up to 25
25-50
50-100
100-150
18 AWG
16 AWG
16 AWG
14 AWG
6-10
6-10
6-10
6-10
120
120
120
120
up to 25
25-50
50-100
100-150
18 AWG
16 AWG
14 AWG
12 AWG
10-12
10-12
10-12
10-12
120
120
120
120
up to 25
25-50
50-100
100-150
16 AWG
16 AWG
14 AWG
12 AWG
12-16
12-16
12-16
120
120
120
up to 25
25-50
14 AWG
12 AWG
GREATER THAN 50 FEET NOT RECOMMENDED
FIG. C
grounded outlet can be installed by a qualified electrician. The green-colored rigid ear, lug, and the like, extending
from the adapter must be connected to a permanent ground such as a properly grounded outlet box. Whenever the
adapter is used, it must be held in place with a metal screw.
NOTE: In Canada, the use of a temporary adapter is not permitted by the Canadian Electric Code.
In all cases, make certain that the receptacle in question is properly grounded. If you are not sure, have a qualified
electrician check the receptacle.
IN ALL CASES, MAKE CERTAIN THE RECEPTACLE IN QUESTION IS PROPERLY GROUNDED.
IF YOU ARE NOT SURE, HAVE A QUALIFIED ELECTRICIAN CHECK THE RECEPTACLE.
3. 240 VOLT Single-Phase Operation:
The motor supplied with your machine is a dual voltage, 120/240 volt motor. It is shipped ready-to-run for 120 volt
operation. However, it can be converted for 240 volt operation.
A qualified electrician should do the conversion, or the machine can be taken to an Authorized Delta Service Center.
When completed, the machine must conform to the National Electric Code and all local codes and ordinances.
The machine is converted by re-wiring the motor for 240 volts, installing a 240 volt plug on the power supply cord
and replacing the switch with one that is rated for 240 volt operation. Be sure the 240 volt plug is only used in an
outlet having the same configuration as the plug illustrated in Fig. C. No adapter should be used with the 240 volt
plug.
IN ALL CASES, MAKE CERTAIN THE RECEPTACLE IN QUESTION IS PROPERLY GROUNDED.
IF YOU ARE NOT SURE, HAVE A QUALIFIED ELECTRICIAN CHECK THE RECEPTACLE.