Harbor Freight Tools 66738 Cord size. See Table a, Plug and Outlet, 25’ 50’ 75’ 100’ 150’

	grounded outlet. If the tool should			4.	When using more than one exten-
	electrically malfunction or break				sion cord to make up the total length,
	down, grounding provides a low				make sure each cord contains at
	resistance path to carry electricity				least the minimum wire size required.
	away from the user, reducing the risk				(See Table A.)
	of electric shock. (See 3-Prong Plug			5.	If you are using one extension cord
	and Outlet.)				for more than one tool, add the
2. The grounding prong in the plug is					nameplate amperes and use the sum
	connected through the green wire in-				to determine the required minimum
	side the cord to the grounding system				cord size. (See Table A.)
	in the tool. The green wire in the cord			6.	If you are using an extension cord
	must be the only wire connected to				outdoors, make sure it is marked with
	the tool’s grounding system and must
					the suffix “W-A” (“W” in Canada) to
	never be attached to an electrically
					indicate it is acceptable for outdoor
	“live” terminal. (See 3-Prong Plug
					use.
	and Outlet.)
3.	The tool must be plugged into an			7.	Make sure the extension cord is prop-
					erly wired and in good electrical con-
	appropriate outlet, properly installed
					dition. Always replace a damaged
	and grounded in accordance with all
					extension cord or have it repaired by
	codes and ordinances. The plug and
					a qualified electrician before using it.
	outlet should look like those in the
	preceding illustration. (See 3-Prong			8.	Protect the extension cords from
	Plug and Outlet.)				sharp objects, excessive heat, and
					damp or wet areas.
		Extension Cords
					RECOMMENDED MINIMUM WIRE
1. Grounded tools require a three wire
					GAUGE FOR EXTENSION CORDS*
	extension cord. Double Insulated					(120/240 VOLT)
	tools can use either a two or three			NAMEPLATE			EXTENSION CORD
	wire extension cord.							LENGTH
					AMPERES
2. As the distance from the supply outlet							25’	50’	75’	100’	150’
					(at full load)
	increases, you must use a heavier
					0 – 2.0		18	18	18	18	16
	gauge extension cord. Using exten-
	sion cords with inadequately sized				2.1 – 3.4		18	18	18	16	14
	wire causes a serious drop in voltage,				3.5 – 5.0		18	18	16	14	12
	resulting in loss of power and pos-				5.1 – 7.0		18	16	14	12	12
	sible tool damage.				7.1 – 12.0		18	14	12	10	-
	(See Table A.)
					12.1 – 16.0		14	12	10	-	-
3.	The smaller the gauge number of the				16.1 – 20.0		12	10	-	-	-
							* Based on limiting the line
	wire, the greater the capacity of the				TABLE A
	cord. For example, a 14 gauge cord						voltage drop to five volts at
							150% of the rated amperes.
	can carry a higher current than a 16
	gauge cord. (See Table A.)
SKU 66738			For technical questions, please call 1-800-444-3353.							Page 5