Chicago Electric 66718 Extension Cords, Double Insulated Tools Tools With Two Prong Plugs

3-Prong Plug and Outlet

Outlets for 2-Prong Plug

1. Tools marked with “Grounding Re-

1.

Tools marked “Double Insulated” do

quired” have a three wire cord and

not require grounding. They have

three prong grounding plug. The

a special double insulation system

plug must be connected to a properly

which satisfies OSHA requirements

grounded outlet. If the tool should

and complies with the applicable

electrically malfunction or break

standards of Underwriters Laborato-

down, grounding provides a low re-

ries, Inc., the Canadian Standard As-

sistance path to carry electricity away

sociation, and the National Electrical

from the user, reducing the risk of

Code.

electric shock.

(See Outlets for 2-Prong Plug.)

(See 3-Prong Plug and Outlet.)

2.

Double insulated tools may be used

2. The grounding prong in the plug is

in either of the 120 volt outlets shown

connected through the green wire in-

in the preceding illustration.

side the cord to the grounding system

(See Outlets for 2-Prong Plug.)

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

Extension Cords

“live” terminal.

(See 3-Prong Plug and Outlet.)

1.

Grounded tools require a three wire

3. The tool must be plugged into an

extension cord. Double Insulated

tools can use either a two or three

appropriate outlet, properly installed

wire extension cord.

and grounded in accordance with all

codes and ordinances. The plug and

2.

As the distance from the supply outlet

outlet should look like those in the

increases, you must use a heavier

preceding illustration.

gauge extension cord. Using exten-

(See 3-Prong Plug and Outlet.)

sion cords with inadequately sized

wire causes a serious drop in voltage,

resulting in loss of power and pos-

sible tool damage.

(See Table A, next page.)

SKU 66718

For technical questions, please call 1-800-444-3353.

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