Grounded tools require a three wire extension
cord. Double insulated tools can use either
a two or three wire extension cord. As the
distance from the supply outlet increases,
you must use a heavier gauge extension cord.
wire causes a serious drop in voltage, result-
ing in loss of power and possible tool damage.
Refer to the table shown to determine the
required minimum wire size.
Improperly connecting the grounding
wire can result in the risk of electric
shock. Check with a qualiﬁed electri-
cian if you are in doubt as to whether
Never remove the grounding prong
cord or plug is damaged. If damaged,
have it repaired by a MILWAUKEE ser-
vice facility before use. If the plug will
not ﬁt the outlet, have a proper outlet
installed by a qualiﬁed electrician.
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. When using
more than one extension cord to make up
the total length, be sure each cord contains
at least the minimum wire size required. 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 wire size.
10. Blade guard
Tools with Three Prong Plugs
Tools marked “Grounding Required” have a
three wire cord and three prong grounding
plug. The plug must be connected to a prop-
erly grounded outlet (See FigureA). If the tool
should electrically malfunction or break down,
grounding provides a
11. Carriage lock
Guidelines for Using Extension Cords
2. Indexing pins
If you are using an extension cord out-
doors, be sure it is marked with the sufﬁx
W-A” (“W” in Canada) to indicate that it
is acceptable for outdoor use.
3. Counterbalance cable
4. Guide tubes
low resistance path to
carry electricity away
from the user, reduc-
ing the risk of electric
5. Frame of tool
6. Rear guard
Be sure your extension cord is prop-
erly wired and in good electrical
condition. Always replace a damaged
extension cord or have it repaired by a
qualiﬁed person before using it.
7. Cord keeper
The grounding prong in the plug is connected
through the green wire inside the cord to the
grounding system in the tool. The green wire
in the cord must be the only wire connected
to the tool's grounding system and must never
be attached to an electrically “live” terminal.
8. Saw motor cord
Protect your extension cords from sharp
objects, excessive heat and damp or wet
Your tool must be plugged into an appropri-
ate outlet, properly installed and grounded in
accordance with all codes and ordinances.
The plug and outlet should look like those
in Figure A.
Recommended Minimum Wire Gauge
for Extension Cords*
Extension Cord Length
25' 50' 75' 100' 150'
.1 - 3.4
3.5 - 5.0
.1 - 7.0
.1 - 12.0
2.1 - 16.0
16.1 - 20.0
18 18 18 18
18 18 18 16
18 18 16 14
18 16 14 12
16 14 12 10
14 12 10
Double Insulated Tools:
Tools with Two Prong Plugs
Tools marked “Double Insulated” do not
require grounding. They have a special
double insulation system which satisfies
OSHA requirements and complies with the
applicable standards of Underwriters Labo-
ratories, Inc., the Cana-
Based on limiting the line voltage drop to
ﬁve volts at 150% of the rated amperes.
dian Standard Associa-
tion and the National
Electrical Code. Double
Insulated tools may be
used in either of the 120
READ AND SAVE ALL
volt outlets shown in Fig. B Fig. C
Figures B and C.
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