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6. If you are using an extension cord outdoors, make sure it is marked with the
suffix “W-A” (“W” in Canada) to indicate it is acceptable for outdoor use.
7. Make sure your extension cord is properly wired and in good electrical condition.
Always replace a damaged extension cord or have it repaired by a qualified
electrician before using it.
8. Protect your extension cords from sharp objects, excessive heat, and damp or
wet areas.
SYMBOLOGY
Double Insulated
Canadian Standards
Association
Underwriters
Laboratories, Inc.
Volts Alternating Current
Amperes
No Load Revolutions
per Minute (RPM)
n
o
xxxx/min.
A
V ~
RECOMMENDED MINIMUM WIRE GAUGE FOR EXTENSION CORDS*
(120 VOLT)
NAMEPLATE
AMPERES
(At Full Load)
EXTENSION CORD LENGTH
25 FEET 50 FEET 75 FEET 100 FEET 150 FEET
0 - 2.0 18 18 16 16 16
2.1 - 3.4 18 18 16 14 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 - - -
FIGURE C
*Based on limiting the line voltage drop
to five volts at 150% of the rated amperes.