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SKU 99702 For technical questions, please call 1-800-444-3353. Page 7
Double Insulated Tools: Tools
with Two Prong Plugs
Tools marked “Double Insulated” do 1.
not require grounding. They have
a special double insulation system
and complies with the applicable
-
tories, Inc., the Canadian Standard
Association, and the National Electri-
cal Code. (See Outlets for 2-Prong
Plug.)
Double insulated tools may be used 2.
in either of the 120 volt outlets shown
in the preceding illustration. (See
Outlets for 2-Prong Plug.)
Extension Cords
Grounded1. 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 2.
increases, you must use a heavier
gauge extension cord. Using exten-
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.)
The smaller the gauge number of the 3.
wire, the greater the capacity of the
cord. For example, a 14 gauge cord
can carry a higher current than a 16
gauge cord. (See Table A.)
When using more than one exten-4.
sion cord to make up the total length,
make sure each cord contains at
least the minimum wire size required.
(See Table A.)
If you are using one extension cord 5.
for more than one tool, add the
nameplate amperes and use the sum
to determine the required minimum
cord size. (See Table A.)
If you are using an extension cord 6.
outdoors, make sure it is marked with
indicate it is acceptable for outdoor
use.
Make sure the extension cord is prop-7.
erly wired and in good electrical con-
dition. Always replace a damaged
extension cord or have it repaired by
Protect the extension cords from 8.
sharp objects, excessive heat, and
damp or wet areas.