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Double insulation is a design concept used in
electric power tools which eliminates the need for
the three wire grounded power cord and grounded
power supply system. It is a recognized and ap-
proved system by Underwriter’s Laboratories, CSA
and Federal OSHA authorities.
IMPORTANT: Servicing of a tool with double insu-
lation requires care and knowledge of the system
and should be performed only by a qualied ser-
vice technician.
WHEN SERVICING, USE ONLY IDENTICAL RE-
PLACEMENT PARTS.
Polarized Plugs
To reduce the risk of electrical shock, your tool is
equipped with a polarized plug (one blade is wider
than the other), this plug will t in a polarized out-
let only one way. If the plug does not t fully in
the outlet, reverse the plug. If it still does not t,
contact a qualied electrician to install the proper
outlet. To reduce the risk of electrical shock, do
not change the plug in any way.
Extension Cords
Replace damaged cords immediately. Use of dam-
aged cords can shock, burn or electrocute.
If an extension cord is necessary, a cord with ade-
quate size conductors should be used to prevent ex-
cessive voltage drop, loss of power or overheating.
The table shows the correct size to use, depending
on cord length and nameplate amperage rating of
tool. If in doubt, use the next heavier gauge. Always
use U.L. and CSA listed extension cords.
RECOMMENDED SIZES OF
EXTENSION CORDS 120 VOLT
ALTERNATING CURRENT TOOLS
Tool’s
Ampere
Rating
Cord Size in A.W.G. Wire Sizes in mm
2
Cord Length in Feet Cord Length in Meters
25 50 100 150 15 30 60 120
3-6 18 16 16 14 0.75 0.75 1.5 2.5
6-8 18 16 14 12 0.75 1.0 2.5 4.0
8-10 18 16 14 12 0.75 1.0 2.5 4.0
10-12 16 16 14 12 1.0 2.5 4.0 –
12-16 14 12 – – – – – –
NOTE: The smaller the gauge number, the higher
the cord capacity.
Double Insulated Tools
1609B07947_GTS15-10_Table_Saw_OSI_20230420.indd 101609B07947_GTS15-10_Table_Saw_OSI_20230420.indd 10 4/20/2023 11:23:02 AM4/20/2023 11:23:02 AM
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