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Extension cords – Delta 36-714 User Manual

Page 7

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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. Fig. D-1 or D-2, 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.

Fig. D-1

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

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 making sure the switch is 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

THAT THE RECEPTACLE IN QUESTION IS
PROPERLY GROUNDED. IF YOU ARE NOT SURE,
HAVE A QUALIFIED ELECTRICIAN CHECK THE
RECEPTACLE.

Fig. C

GROUNDED OUTLET BOX

CURRENT

CARRYING

PRONGS

GROUNDING BLADE
IS LONGEST OF THE 3 BLADES

Fig. D-2

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

0-6 240

up to 50

18 AWG

0-6

240

50-100

16

AWG

0-6

240

100-200

16

AWG

0-6

240

200-300

14

AWG

6-10

240

up to 50

18 AWG

6-10

240

50-100

16

AWG

6-10

240

100-200

14

AWG

6-10

240

200-300

12 AWG

10-12

240

up to 50

16 AWG

10-12

240

50-100

16

AWG

10-12

240

100-200

14

AWG

10-12

240

200-300

12

AWG

12-16

240

up to 50 14

AWG

12-16

240

50-100

12

AWG

12-16

240

GREATER THAN 100 FEET NOT RECOMMENDED

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