Power Extension Cords
These tools do not require grounding as they are fitted with an additional insulation
system internally that complies with all relevant electrical safety standards.
Unlike the three prong tools these tools CAN be connected through outlets suitable
for two prong or three prong plugs.
The Illustration above shows the outlets that this type of tool can be connected to.
Symbols
Any power tool marked ‘Grounding required’ MUST only be connected to a three wire
extension cord. Only double insulated tools can be connected to two wire cords.
When using any extension cord the machine will suffer a power reduction due to the
drop in voltage caused by the length of the cord. This can be partially offset by selecting
extension cords with lower gauge wire.
8
e.g. Cords marked 14 gauge can carry a higher current than cords marked 16 gauge
therefore when linking extension cords make sure each cords wire gauge matches.
Note: Outdoor extension cords used in must carry the letters “W-A” (USA) or “W”
(Canada)
Check all extension cords for damage before use.
Avoid sharp objects.
Do not position the cord where it could be subject to traffic passing over it.
Table 1
MINIMUM GAUGE FOR CORD SETS
Total Length of Cord in Feet(Meter)
0-25 26-50 51-100 101-150
(0-7.6) (7.9-15.2) (15.5-30.5) (30.8-45.7)
Ampere Rating
AWG
0 6 18 16 16 14
18 16 14 12
16 16 14 12
14 12
Not Recommended
6 10
10 12
12 16
More Not More
Than Than
V………………………...volts
A………………………...amperes
Hz……………………….hertz
~………………………...alternating current
…/m………………........revolutions per minute
.................................Direct Current
..................................class II construction (double insulated)
Kg……………………….kilograms
No……………………….No load speed
IMPORTANT: Some of the following symbols may be used on your tool.
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