2. Double insulated tools may be
used in either of the 120 volt
outlets shown in the preceding
illustration. (See Outlets for
2-prong plug.)
Extension cords
1. Grounded tools require a three wire extension cord. Double Insulated
tools can use either a two or three wire extension cord.
2. As the distance from the supply outlet increases, you must use a
heavier gauge extension cord. Using extension cords with inadequately
sized wire causes a serious drop in voltage, resulting in loss of power
and possible tool damage. (See table a.)
3. The smaller the gauge number of the wire, the greater the capacity of
the cord. For example, a 14 gauge cord can carry a higher current than
a 16 gauge cord. (See table a.)
4. When using more than one extension cord to make up the total length,
make sure each cord contains at least the minimum wire size required.
(See table a.)
Outlets for 2-prong plug
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