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What does r30 mean on a light bulb?
R30 refers to the size and shape of a reflector light bulb. It has a diameter of 3.75 inches and is often used for directional lighting in recessed cans. The "R" stands for "reflector" while "30" is a measurement in eighths of an inch for the diameter of the bulb.
How much does a house cost in Johannesburg?
It can range from R30 000 for a very small, cheap house, to R30 million or more.
Does e27 mean the length of the bulb?
No, the e27 refers to the Edison screw base size of the bulb. It is a standardized designation for the type of base used on the bulb, not the length of the bulb itself.
If the circumference of a circle is 30cm what is the radius?
C = pi * 2 * r30 = 3.14159 * 2 * r30 = 6.28318 * rr = 30/6.28318r = 4.77465233 cm
What is the gvw for 1988 r30 Chevy truck?
11,000 lbs
100 divided by 7 equals what?
14.2857
When was the R30 series first introduced?
The R30 Series ThinkPad was first introduced in November 2001. Someone that would interested in this specific computer should contact their local IBM dealer.
How thick is R30 insulation?
about 9 1/2 inches thick
What does Type R mean on a light bulb?
Type R on a light bulb refers to a specific shape and design, typically indicating a reflector bulb. These bulbs are often used in recessed lighting and track lighting applications, as they have a reflective coating that directs light forward, enhancing brightness and efficiency. The "R" stands for "reflector," and they come in various sizes, with R30 and R40 being common designations.
How to measure the length of a fluorescent bulb accurately?
To measure the length of a fluorescent bulb accurately, use a ruler or measuring tape to measure from one end of the bulb to the other in a straight line. Make sure to measure from the outermost points of the bulb for the most precise measurement.
What does mol mean in light bulbs?
MOL refers to MAXIMUM OVERALL LENGTH. MOL is Maximum Overall Length measurement. MOL of bulb is measured from top of bulb to bottom of Bulb base (or bottom of pins.) Exception is if bulb has flexible wire leads, then measurement does NOT include the length of wires. Actual bulb is likely shorter (sometimes much, much shorter) than the MOL industry standard specification.
Can a R30 light bulb be used in place of a PAR30 in an indoor fixture?
Yes, the bulbs are the same diameter as designated by the number 30. It stands for 30/8ths or 3~3/4 inches. There will not be as much light transmitted downward by the R30 as with a PAR30 bulb.The letters in a PAR lamp stand for parabolic aluminized reflector which forces the light forward and out of the bottom of the lamp.Make sure that the wattage of the two lamps are the same. The maximum size wattage for the fixture will be on the fixtures nameplate. For incandescent bulbs do not exceed this wattage rating with a larger wattage bulb as the fixture may not be able to dissipate the heat generated by a larger wattage bulb. The new LED bulbs should not have this problem with heat dissipation.
