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2.
The grounding prong in the plug is
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
unded in accordance with all codes and ordinances. The plug and outlet should
look like those in the preceding illustration. (See 3-Prong Plug and Outlet.)
with the applicable standards of Underwriters Laboratories, Inc., the Canadian
Standard Association, and the National Electrical Code. (See Outlets for 2-Prong
Plug.)
2.
Double insulated tools may be used
preceding illustration. (See Outlets for 2-Prong Plug.)
tools require a three wire extension cord. Double Insulated tools can
1.
Grounded
use either a two or three wire
2.
As the distance from the supply outlet
extension cord. Using extension cords with inadequately sized wire causes a
appropriate outlet, properly installed and gro-
DOUBLE INSULATED TOOLS: TOOLS
WITH TWO PRONG PLUGS
EXTENSION CORDS
extension cord.
connected through the green wire inside the
1. Tools marked "Double
in either of the 120 volt outlets shown in the
increases, you must use a heavier gauge
6
Insulated" do not req-
uire grounding. They
have a special double
insulation system which
satisfies OSHA requir-
ements and complies
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