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English
EXTENSION CORDS
Grounded tools require a three wire extension cord. Double insulated tools can use
either a two or three wire extension cord. As the distance from the power 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. Refer to the table shown below to determine the required
minimum wire size.
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. When using more than one extension cord to make up the total
length, be sure each cord contains at least the minimum wire size required. If you are using one extension cord for
more than one tool, add the nameplate amperes and use the sum to determine the required minimum wire size.
Guidelines for Using Extension Cords
• If you are using an extension cord outdoors, be sure it is marked with the suffix “W-A” (“W” in Canada) to
indicate that it is acceptable for outdoor use.
• Be sure your extension cord is properly wired and in good electrical condition. Always replace a damaged
extension cord or have it repaired by a qualified person before using it.
• Protect your extension cords from sharp objects, excessive heat, and damp or wet areas.
SPECIFIC SAFETY RULES FOR DRILLS
WARNING: DO NOT LET COMFORT OR FAMILIARITY WITH PRODUCT (GAINED
FROM REPEATED USE) REPLACE STRICT ADHERENCE TO PRODUCT SAFETY RULES. If
you use this tool unsafely or incorrectly, you can suffer serious personal injury!
• Hold the tool by insulated gripping surfaces when performing an operation
where the cutting tool may contact hidden wiring or its own cord. Contact with a “live” wire will make exposed
metal parts of the tool “live” and shock the operator. Do not drill, fasten or break into existing walls or other
blind areas where electrical wiring may exist. If this situation is unavoidable, disconnect all fuses or circuit
breakers feeding this work site.
• Always use safety glasses or goggles. Ordinary eye or sun glasses are NOT safety glasses.
USE CERTIFIED SAFETY EQUIPMENT. Protective eyewear should comply with ANSI Z87.1 standards. Use a dust
mask or respirator for operations which generate dust.
• Wear ear/hearing protectors when using this tool for extended periods. Prolonged exposure to
high intensity noise can cause hearing loss.
• Hold the tool firmly to prevent injury that may result from loss of control because of high rotational
force.
• Always be sure you have firm footing and check to see no one is below when using the tool in
high locations.
• Do not hold the tool or place your hands near the rotating chuck or drill bit.
Contact with any moving parts may result in personal injury.
Recommended Minimum Wire Gauge for Extension Cords (120 Volt)
Nameplate
Amperes
(At Full Load)
Extension Cord Length
25 Feet 50 Feet 75 Feet 100 Feet 150 Feet 200 Feet
0–2.0 18 18 18 18 16 16
2.1–3.4 18 18 18 16 14 14
3.5–5.0 18 18 16 14 12 12
5.1–7.0 18 16 14 12 12 10
7.1–12.0 18 14 12 10 8 8
12.1–16.0 14 12 10 10 8 6
16.1–20.0 12 10 8 8 6 6
(36 pages)
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