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Page 7SKU 66508 For technical questions, please call 1-800-444-3353
resulting in loss of power and possible
tool damage.
(See Figure C, next page.)
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 Figure C.)
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
Figure C.)
If you are using one extension cord for 5.
more than one tool, add the nameplate
amperes and use the sum to determine
the required minimum cord size. (See
Figure C.)
If you are using an extension cord out-6.
doors, make sure it is marked with the
sufx “W-A” (“W” in Canada) to indicate
it is acceptable for outdoor use.
Make sure your extension cord is 7.
properly wired and in good electrical
condition. Always replace a damaged
extension cord or have it repaired by a
qualied electrician before using it.
Protect your extension cords from 8.
sharp objects, excessive heat, and
damp or wet areas.
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.
Symbology
Double Insulated
Canadian Standards Association
Underwriters Laboratories, Inc.
V~
Volts Alternating Current
A
Amperes
n
0
xxxx/min.
No Load Revolutions per Minute
(RPM)
UNPACKING
When unpacking, check to make sure
that all the parts are included. Refer to the
Assembly section, and the Assembly Drawing
and Parts List at the end of this manual. If any
parts are missing or broken, please call Harbor
Freight Tools at the number on the cover of
this manual as soon as possible.