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f. Grip tool as lightly as possible (while still keeping
safe control of it). Let the tool do the work.
g. To reduce vibration, maintain the tool as
explained in this manual. If any abnormal
vibration occurs, stop use immediately.
Grounding Instructions
TO PREVENT ELECTRIC SHOCK
AND DEATH FROM INCORRECT
GROUNDING WIRE CONNECTION:
Check with a qualified 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 fit the outlet, have a
proper outlet installed by a qualified electrician.
Double Insulated Tools: Tools with
Two Prong Plugs
1. To reduce the risk of electric shock, double
insulated equipment has a polarized plug
(one blade is wider than the other). This plug will fit
in a polarized outlet only one way. If the plug does
not fit fully in the outlet, reverse the plug. If it still
does not fit, contact a qualified electrician to install
the proper outlet. Do not change the plug in any way.
2. Double insulated tools may be used in either of the
120 volt outlets shown in the following illustration.
(See Outlets for 2-Prong Plug.)
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 suffix “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 qualified electrician before using it.
8. Protect the extension cords from sharp objects,
excessive heat, and damp or wet areas.
TABLE A: RECOMMENDED MINIMUM WIRE
GAUGE FOR EXTENSION CORDS* (120/240 VOLT)
NAMEPLATE
AMPERES
(at full load)
EXTENSION CORD
LENGTH
25´ 50´ 75´ 100´ 150´
0 – 2.0 18 18 18 18 16
2.1 – 3.4 18 18 18 16 14
3.5 – 5.0 18 18 16 14 12
5.1 – 7.0 18 16 14 12 12
7.1 – 12.0 18 14 12 10 -
12.1 – 16.0 14 12 10 - -
16.1 – 20.0 12 10 - - -
* Based on limiting the line voltage drop to five volts at
150% of the rated amperes.
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