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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 tool.
Never remove the grounding prong from
the plug. Do not use the tool 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 Tools: Tools
with Two Prong Plugs
Outlets for 2-Prong Plug
1. Tools marked “Double Insulated” do not require
grounding. They have a special double insulation
system which satises OSHA requirements
and complies with the applicable standards of
Underwriters Laboratories, Inc., the Canadian
Standard Association, and the National
Electrical Code.
2. Double insulated tools may be used in either of the
120 volt outlets shown in the preceding illustration.
(See Outlets for 2-Prong Plug.)
Extension Cords
1. Grounded tools require a three wire extension
cord. Double Insulated tools can use either a two
or three wire extension cord.
2. As the distance from the supply outlet increases,
you must use a heavier gauge extension cord.
Using extension cords with inadequately sized wire
causes a serious drop in voltage, resulting in loss
of power and possible tool damage.
(See Table A.)
3. The smaller the gauge number of the 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.)
4. When using more than one extension cord to make
up the total length, make sure each cord contains
at least the minimum wire size required. (See
Table A.)
5. If you are using one extension cord for more than
one tool, add the nameplate amperes and use the
sum to determine the required minimum cord size.
(See Table A.)
6. If you are using an extension cord outdoors, make
sure it is marked with the sufx “W-A” (“W” in
Canada) to indicate it is acceptable for outdoor use.
7. Make sure the extension cord is properly wired
and in good electrical condition. Always replace a
damaged extension cord or have it repaired by a
qualied electrician before using it.
8. Protect the extension cords from sharp objects,
excessive heat, and damp or wet areas.
RECOMMENDED MINIMUM WIRE GAUGE FOR
EXTENSION CORDS
NAMEPLATE
AMPERES
(at full load)
EXTENSION CORD LENGTH
25’ 50’ 75’ 100’ 125’ 150’ 175’ 200’
0-10.0 18 18 16 16 14 14 12 12
10.1-13.0 16 16 14 14 14 12 12 12
13.1-15 14 14 12 12 12 12 12 -
15-18 14 12 12 12 12 12 - -
TABLE A
Symbology
Double Insulated
Canadian Standards Association
Underwriters Laboratories, Inc.
V~
Volts Alternating Current
A
Amperes
n
0
xxxx/min.
No Load Revolutions per Minute
(RPM)