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ELECTRICAL
DOUBLE INSULATION
Double insulation is a concept in safety in electric power
tools, which eliminates the need for the usual three-wire
grounded power cord. All exposed metal parts are isolated
from the internal metal motor components with protecting
insulation. Double insulated tools do not need to be grounded.
WARNING:
The double insulated system is intended to protect the
user from shock resulting from a break in the tool's
internal insulation. Observe all normal safety precau-
tions to avoid electrical shock.
Important: Servicing of a tool with double insulation requires
extreme care and knowledge of the system and should be
performed only by a qualified service technician. For service,
we suggest you return the tool to your nearest authorized
service center for repair. Always use original factory
replacement parts when servicing.
ELECTRICAL CONNECTION
This tool has a precision-built electric motor. It should be
connected to a power supply that is 120 volts, 60 Hz, AC
only (normal household current). Do not operate this tool
on direct current (DC). A substantial voltage drop will cause
a loss of power and the motor will overheat. If your tool does
not operate when plugged into an outlet, double-check the
power supply.
EXTENSION CORDS
When using a power tool at a considerable distance from a
power source, be sure to use an extension cord that has the
capacity to handle the current the tool will draw. An undersized
cord will cause a drop in line voltage, resulting in overheating
and loss of power. Use the chart to determine the minimum
wire size required in an extension cord. Only round jacketed
cords listed by Underwriter’s Laboratories (UL) should be
used.
When working outdoors with a tool, use an extension cord
that is designed for outside use. This type of cord is designated
with "WA" on the cord's jacket.
Before using any extension cord, inspect it for loose or
exposed wires and cut or worn insulation.
**Ampere rating
(on tool faceplate) 0-2.0 2.1-3.4 3.5-5.0 5.1-7.0 7.1-12.0 12.1-16.0
Cord Length Wire Size (A.W.G.)
25' 16 16 16 16 14 14
50' 16 16 16 14 14 12
100' 16 16 14 12 10 —
**Used on 12 gage - 20 amp circuit.
WARNING:
Keep the extension cord clear of the working area. Posi-
tion the cord so that it will not become entangled in the
rotating foam pad or caught on lumber, tools or other
obstructions while you are working with a power tool.
Failure to do so can result in serious personal injury.
WARNING:
Check extension cords before each use. If damaged re-
place immediately. Never use tool with a damaged cord
since touching the damaged area could cause electrical
shock resulting in serious injury.