Extension Cords - Milwaukee 6470-21 Manual Del Operador

grounding
Warning
grounding wire can result in the risk of electric
shock. Check with a qualified electrician if you
are in doubt as to whether the outlet is properly
grounded. Do not modify the plug provided
with the tool. Never remove the grounding
prong from the plug. Do not use the tool if the
cord or plug is damaged. If damaged, have it
repaired by a milWaukee service facility be-
fore use. If the plug will not fit the outlet, have a
proper outlet installed by a qualified electrician.
Grounded Tools:
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 properly grounded
outlet (See Figure A). If the tool should electrically
malfunction or break down, grounding provides a
low resistance path to carry electricity away from
the user, reducing the risk of electric shock.
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.
Your tool must be plugged into
an appropriate outlet, properly
installed and grounded in ac-
cordance with all codes and
ordinances. The plug and
outlet should look like those
in Figure A.
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 Under-
writers Laboratories, Inc., the
Canadian Standard Associa-
tion and the National Electri-
cal Code. Double Insulated
tools may be used in either of
the 120 volt outlets shown in
Figures B and C.
Improperly connecting the
Fig. A
Fig. B Fig. C

exTension cords

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. Using extension cords with
inadequately sized wire causes a serious drop in
voltage, resulting in loss of power and possible tool
damage. Refer to the table shown to determine the
required minimum wire size.
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.
Guidelines for Using Extension Cords
• If you are using an extension cord outdoors,
be sure it is marked with the suffix "W-A" ("W"
in Canada) to indicate that it is acceptable for
outdoor use.
• Be sure your extension cord is properly wired
and in good electrical condition. Always replace
a damaged extension cord or have it repaired by
a qualified person before using it.
• Protect your extension cords from sharp objects,
excessive heat and damp or wet areas.
Recommended Minimum wire Gauge
For Extension Cords*
Nameplate Amps
0 - 2.0
2.1 - 3.4
3.5 - 5.0
5.1 - 7.0
7.1 - 12.0
12.1 - 16.0
16.1 - 20.0
* Based on limiting the line voltage drop to five volts at
150% of the rated amperes.
READ AND SAVE ALL
INSTRUCTIONS FOR FUTURE USE.
4
Extension Cord Length
25' 50' 75' 100'
18 18 18 18
18 18 18 16
18 18 16 14
18 16 14 12
16 14 12 10
14 12 10 --
12 10 -- --
150'
16
14
12
12
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