Grounding, Extension Cords | Milwaukee CUTTING SAW instruction

GROUNDING

WARNING

Improperly connecting the 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 before 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	Fig. A
	shock.	Fig. A
	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 accordance 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 Underwriters Laboratories, Inc., the
Canadian Standard Association and
the National Electrical Code. Double
Insulated tools may be used in either
of the 120 volt outlets shown in Figures	Fig. B	Fig. C
B and C.	Fig. B	Fig. C

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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. Us- ing 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			Extension Cord Length
Nameplate
Amperes		25'	50'	75'	100'	150'	200'
0 - 5		16	16	16	14	12	12
5.1	- 8	16	16	14	12	10	--
8.1 - 12		14	14	12	10	--	--
12.1	- 15	12	12	10	10	--	--
15.1	- 20	10	10	10	--	--	--

*Based on limiting the line voltage drop to ﬁve volts at 150% of the rated amperes.

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GROUNDING

Grounded Tools:

Tools with Three Prong Plugs

Fig. A