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GROUNDED OUTLET BOX
CURRENT
CARRYING
PRONGS
GROUNDING BLADE
IS LONGEST OF THE 3 BLADES
Fig. A
GROUNDED OUTLET BOX
GROUNDING MEANS
ADAPTER
Fig. B
1. All grounded, cord-connected machines:
In the event of a malfunction or breakdown, grounding provides a path of least resistance for electric current to reduce
the risk of electric shock. This machine is equipped with an electric cord having an equipment-grounding conductor and
a grounding plug. The plug must be plugged into a matching outlet that is properly installed and grounded in accordance
with all local codes and ordinances.
Do not modify the plug provided - if it will not t the outlet, have the proper outlet installed by a qualied electrician. Im-
proper connection of the equipment-grounding conductor can result in risk of electric shock. The conductor with insula-
tion having an outer surface that is green with or without yellow stripes is the equipment-grounding conductor. If repair
or replacement of the electric cord or plug is necessary, do not connect the equipment-grounding conductor to a live
terminal.
Check with a qualied electrician or service personnel if the grounding instructions are not completely understood, or if
in doubt as to whether the machine is properly grounded.
Use only 3-wire extension cords that have 3-prong grounding type plugs and matching 3-conductor receptacles that ac-
cept the machine’s plug, as shown in Fig. A. Repair or replace damaged or worn cord immediately.
2. Grounded, cord-connected machines intended for use on a supply circuit having a nominal rating less than 150 volts: If the ma-
chine is intended for use on a circuit that has an outlet that looks like the one illustrated in Fig. A, the machine will have
a grounding plug that looks like the plug illustrated in Fig. A. A temporary adapter, which looks like the adapter illus-
trated in Fig. B, may be used to connect this plug to a matching 2-conductor receptacle as shown in Fig. B if a properly
grounded outlet is not available. The temporary adapter should be used only until a properly grounded outlet can be
installed by a qualied electrician. The green-colored rigid ear, lug, and the like, extending from the adapter must be con-
nected 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
qualied electrician check the receptacle.
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. C 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. C
MINIMUM GAUGE EXTENSION CORD
RECOMMENDED SIZES FOR USE WITH STATIONARY ELECTRIC MACHINES
Am-
pere
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