Replaces a 400 watt Incandescent

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	Our Part #:	WL37073
	Manufacturer:	Westinghouse
	Manufacturer Code:	105TWIST/65
	Case Size:	6    ($231.78/Case)
For an explanation of a lighting term, click on the
	Light Output:	5,800 lumens
	Refers to the literal measure of the light-output of a particular light bulb, measured in the number of lumens.
	Energy Used:	105 watts
	"Watts" is the term applied to the amount of energy required and used by a particular light bulb. It is an international system unit of power equal to one joule per second. Contrary to popular belief, the wattage of a bulb does not directly measure the brightness; the "lumens" of a light is what defines the actual light output.
	Average Lifetime:	8,000 hours
	This refers to an average lifetime rating based on large quantities in test groups. This testing takes into account usage of 3 hours per start for fluorescent lamps and 10 hours per start for HID lamps.
	Volts:	120
	Voltage is a measure of electrical potential.
	Bulb Type:	Twist
	The "Bulb Type" is typically a combination of the style of bulb as well as the width of the bulb. Usually, the first couple letters will indicate the type; "G" would indicate "Globe", "PAR" would indicate "Parabolic Reflector"... The numbers indicate the diameter of the light bulb in eighths of an inch; a "G40" would be a "Globe" style that is "5 inches" in diameter.
	Base Type:	Medium Screw (E26)
	The "Base" of a light bulb is the part that either screws or snaps into a receptacle. Base Type terminology may indicate common descriptive words like "Medium" or "Candelabra", or may even contain numeric codes that signify size and variety, like "E26" or "2GX13".
	Color Temperature:	6,500K
	This is the color of the light coming from the bulb.
	Color/Finish:	Daylight
	CRI:	82
	CRI refers to the "Color Rendering Index" of a light bulb. CRI measures a light source and grades its ability to render the color of objects "correctly," as compared with a reference source with comparable color temperature. 100 is perfect rendering.
	Length:	12.6 inches
	This is sometimes referred to as MOL, or "Maximum Overall Length". For light bulbs, it measures the absolute length of a light bulb, from the top of the bulb to the bottom of the base and is typically expressed in inches. For light fixtures, it applies to the complete vertical length of the fixture, out of the package.
	Width:	3.9 inches
	For light bulbs, the width refers to the complete diameter of the widest point of the light bulb. For light fixtures, it applies to the widest horizontal point of the fixture, out of the package.