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DOUBLE INSULATED TOOLS: TOOLS WITH TWO PRONG PLUGS
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. (See Figure B.)
2. Double insulated tools may be used in either of the 120 volt outlets shown in the
following illustration. (See Figure B.)
1. Tools and equipment 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 or equipment 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 Figure A.)
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 Figure A.)
3. 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 that in the following illustration. (See Figure A.)
SKU 92956 For technical questions please call 1-800-444-3353 PAGE 7
GROUNDED TOOLS: TOOLS WITH THREE PRONG PLUGS
FIGURE A