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8-7. Extension Cords
The Instruction Manual contains a table of cord lengths and lead wire diameters. Select an appropriate extension
cord. If the lead wire diameter is too small compared with the cord length, it may cause considerable voltage
drops, resulting in lowered efficiency.
Use only three-wire extension cords which have three-prong grounding-type plugs and three-pole receptacles
which accept the saw's plug. Replace or repair a damaged or worn cord immediately.
Make sure your extension cord is in good condition. When using an extension cord, be sure to use one heavy
enough to carry the current your product will draw. An undersized cord will cause a drop in line voltage resulting
in loss of power and overheating. Table 4 shows the correct size to use depending on cord length and Nameplate
ampere rating. If in doubt, use the next heavier gauge. The smaller the gauge number, the heavier the cord.
Check power cords and extension cords for loose or exposed wires and damaged insulation before using.
Repair or replace as needed before using the power tool.
NOTE: The lower the wire size number, the heavier the wire and the further it will carry current without a voltage
drop.
WARNING: Never connect this unit to an electrical power source until all operating instructions have
been read and understood.
Table 4. Minimum gauge for cord
Ampere rating
5.1 to 7.0
(on Nameplate)
Ext. cord length
25 ft.
18 A.W.G.
(7.5 m)
(1.0 mm
50 ft.
16 A.W.G.
(15 m)
(1.5 mm
75 ft.
14 A.W.G.
(22.5 m)
(2.0 mm
12.1 to 16.0
Wire gauge size
2
A.W.G. (mm
)
14 A.W.G.
2
(2.0 mm
)
2
)
12 A.W.G.
(3.5 mm
2
)
2
)
10 A.W.G.
2
(5.5 mm
)
2
)
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