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Page 8For technical questions, please call 1-800-444-3353.SKU 67255
National Electrical 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 2.
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.)
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 extension 4.
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 7.
properly wired and in good electrical
condition. 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.
Use extension cords with at least a 9.
gauge wire as large as indicated in
Table A for 7.1 to 12.0 Amperes.
Keep the cord away from the cutting 10.
area. Position the cord so that it will
not be caught on branches, and the
like, during cutting.
RECOMMENDED MINIMUM WIRE
GAUGE FOR EXTENSION CORDS*
(120/240 VOLT)
NAMEPLATE
AMPERES
(at full load)
EXTENSION CORD
LENGTH
25’
50’
75’
100’
150’
0 – 2.0 18 18 18 18 16
2.1 – 3.4 18 18 18 16 14
3.5 – 5.0 18 18 16 14 12
5.1 – 7.0 18 16 14 12 12
7.1 – 12.0 18 14 12 10 -
12.1 – 16.0 14 12 10 - -
16.1 – 20.0 12 10 - - -
TABLE A
* Based on limiting the line
voltage drop to ve volts at
150% of the rated amperes.