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5. If you are using one extension cord for more than one tool, add the nameplate
amperes and use the sum to determine the required minimum cord size.
(See Figure B.)
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.
SKU 91511 PAGE 7
FIGURE B
SYMBOLOGY
V ~
A
xxxx/min.
FIGURE C
n
o
Double Insulated
Canadian Standards
Association
Underwriters
Laboratories, Inc.
Volts Alternating
Current
Amperes
No Load Revolutions
Per Minute (RPM)
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.