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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. Fig.
D-1 or D-2, shows the correct gauge to use depending
on the cord length and voltage. If in doubt, use the next
heavier gauge. The smaller the gauge number, the
heavier the cord.
Fig. D-1
120 VOLT MINIMUM GAUGE EXTENSION CORD
RECOMMENDED SIZES FOR USE WITH STATIONARY ELECTRIC MACHINES
Ampere Total Length Gauge of
Rating Volts of Cord in Feet Extension Cord
0-6 120
up to
25 18 AWG
0-6 120 25-50 16 AWG
0-6 120 50-100 16 AWG
0-6 120 100-150 14 AWG
6-10 120
up to
25 18 AWG
6-10 120 25-50 16 AWG
6-10 120 50-100 14 AWG
6-10 120 100-150 12 AWG
10-12 120
up to
25 16 AWG
10-12 120 25-50 16 AWG
10-12 120 50-100 14 AWG
10-12 120 100-150 12 AWG
12-16 120
up to
25 14 AWG
12-16 120 25-50 12 AWG
12-16 120 GREATER THAN 50 FEET NOT RECOMMENDED
EXTENSION CORDS
Fig. D-2
230 VOLT MINIMUM GAUGE EXTENSION CORD
RECOMMENDED SIZES FOR USE WITH STATIONARY ELECTRIC MACHINES
Ampere Total Length Gauge of
Rating Volts of Cord in Feet Extension Cord
0-6 230
up to
50 18 AWG
0-6 230 50-100 16 AWG
0-6 230 100-200 16 AWG
0-6 230 200-300 14 AWG
6-10 230
up to
50 18 AWG
6-10 230 50-100 16 AWG
6-10 230 100-200 14 AWG
6-10 230 200-300 12 AWG
10-12 230
up to
50 16 AWG
10-12 230 50-100 16 AWG
10-12 230 100-200 14 AWG
10-12 230 200-300 12 AWG
12-16 230
up to
50 14 AWG
12-16 230 50-100 12 AWG
12-16 230
GREATER THAN 100 FEET NOT RECOMMENDED
GROUNDED OUTLET BOX
CURRENT CARRYING PRONGS
GROUNDING BLADE
IS LONGEST OF THE 3 BLADES
Fig. C
3. Grounded, cord-connected tools intended for use on
a supply circuit having a nominal rating between 150 -
250 volts, inclusive:
If the tool is intended for use on a circuit that has an
outlet that looks like the one illustrated in Fig. C. The tool
will have a grounding plug that looks like the plug
illustrated in Fig. C. Make sure the tool is connected to
an outlet having the same configuration as the plug. No
adapter is available or should be used with this tool. If
the tool must be reconnected for use on a different type
of electric circuit, the reconnection should be made by
qualified service personnel; and after reconnection, the
tool should comply with all local codes and ordinances.
IN ALL CASES, MAKE CERTAIN THE
RECEPTACLE IN QUESTION IS PROPERLY
GROUNDED. IF YOU ARE NOT SURE HAVE A
QUALIFIED ELECTRICIAN CHECK THE RECEPTACLE.