3.Grounded, cord-connected machines intended for use on a supply circuit having a nominal rating between 150

-250 volts, inclusive:

If the machine is intended for use on a circuit that has an outlet that looks like the one illustrated in Fig. C, the machine will have a grounding plug that looks like the plug illustrated in Fig. C. Make sure the machine is connected to an outlet having the same configuration as the plug. No adapter is available or should be used with this machine. If the machine must be re-connected for use on a different type of electric circuit, the re-connection should be made by qualified service personnel; and after re-connection, the machine should comply with the National Electric Code and all local codes and ordinances.

4.Permanently connected machines:

If the machine is intended to be permanently connected, all wiring must be done by a qualified electrician and conform to the National Electric Code and all local codes and ordinances.

*THREE PHASE OPERATION: Three phase machines are not supplied with a power cord and must be permanently connected to a building’s electrical system. Extension cords can’t be used with a three phase machine.

*LVC MAGNETIC MOTOR CONTROL: If you purch- ased a machine that has a Low Voltage Magnetic Motor Control System, refer to its instruction manual for installation guidance.

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-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.

GROUNDED OUTLET BOX

CURRENT

CARRYING

PRONGS

GROUNDING BLADE

IS LONGEST OF THE 3 BLADES

Fig. C

MINIMUM GAUGE EXTENSION CORD

RECOMMENDED SIZES FOR USE WITH STATIONARY ELECTRIC MACHINES

 

 

Total

 

Ampere

 

Length of

 

 

Cord in

Gauge of Extension

 

 

Rating

Volts

Feet

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 50 FEET NOT RECOMMENDED

Fig. D-2

6

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DeWalt 31-735 instruction manual Extension Cords, Minimum Gauge Extension Cord

31-735 specifications

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