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.
illustration. (See
Outlet.)
Double Insulated Tools: Tools with
Two Prong Plugs
Grounded Tools: Tools with Three
Prong Plugs
3-Prong Plug and Outlet
1.Tools marked with “Grounding Required” have a three wire cord and three prong grounding plug. The plug must be connected to a properly grounded outlet. 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. (See
Outlet.)
2.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.
(See 3-Prong Plug and Outlet.)
3.The 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 the preceding
Outlets for 2-Prong Plug
1.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.
2.Double insulated tools may be used in either of the 120 volt outlets shown in the preceding illustration. (See Outlets for
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
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