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GROUNDING
TO PREVENT
ELECTRIC SHOCK
AND DEATH FROM
INCORRECT GROUNDING
WIRE CONNECTION:
Check with a qualied
electrician if you are in doubt
as to whether the outlet is
properly grounded. Do not
modify the power cord plug
provided with the device.
Never remove the grounding
prong from the plug. Do not
use the device if the power
cord or plug is damaged. If
damaged, have it repaired by
a service facility before use. If
the plug will not t the outlet,
have a proper outlet installed
by a qualied electrician.
Double Insulated Devices:
Devices with Two Prong Plugs
Outlets for 2-Prong Plug
Devices marked “Double Insulated” 1.
do not require grounding. They have
a special double insulation system
which satises OSHA requirements
and complies with the applicable
standards of Underwriters Labora-
tories, Inc., the Canadian Standard
Association, and the National Electri-
cal Code. (See Outlets for 2-Prong
Plug.)
Double insulated devices may be 2.
used in either of the 120 volt outlets
shown in the preceding illustration.
(See Outlets for 2-Prong Plug.)
Extension Cords
Grounded1. devices require a three
wire extension cord. Double Insu-
lated devices can use either a two or
three wire extension cord.
As the distance from the supply outlet 2.
increases, you must use a heavier
gauge extension cord. Using exten-
sion cords with inadequately sized
wire causes a serious drop in voltage,
resulting in loss of power and pos-
sible device damage.
(See Table A.)
The smaller the gauge number of the 3.
wire, the greater the capacity of the
cord. For example, a 14 gauge cord
can carry a higher current than a 16
gauge cord. (See Table A.)
When using more than one exten-4.
sion cord to make up the total length,
make sure each cord contains at
least the minimum wire size required.
(See Table A.)
If you are using one extension cord 5.
for more than one device, add the
nameplate amperes and use the sum
to determine the required minimum
cord size. (See Table A.)
If you are using an extension cord 6.
outdoors, make sure it is marked with
the sufx “W-A” (“W” in Canada) to
indicate it is acceptable for outdoor
use.