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2. Edison screw - Wikipedia

   en.wikipedia.org/wiki/Edison_screw

   Christmas lights may use several base sizes: E17 for C9 bulbs, E12 for C7 bulbs, E10 for decades-old series-wired C6 bulb sets [19] in the U.S., and an entirely different wedge base for T1¾ mini-lights. For a short time early on, these mini lights were manufactured using E5 screw bases.

3. Holiday lighting technology - Wikipedia

   en.wikipedia.org/wiki/Holiday_lighting_technology

   It is now very difficult to find twinkle bulbs in this size. The four most common bulb sizes used in the United States. From left to right: "rice" style LED (0.057w), T 1 + 3 ⁄ 4 "midget" (0.5w), C 7 + 1 ⁄ 2 (5w) and C 9 + 1 ⁄ 4 (7.5w). Quarter shown for size comparison. Standard mini lights are T 1 + 3 ⁄ 4, indicating that they are a ...

4. A-series light bulb - Wikipedia

   en.wikipedia.org/wiki/A-series_light_bulb

   Other sizes with a data sheet in IEC 60064 are A50, A55, A67, A68, A71, A75, and A80. Another common A-series light bulb type is the A15 bulb which is commonly used in the US for appliances and ceiling fans. The A15 bulb is 15 ⁄ 8 in (1 + 7 ⁄ 8 in; 48 mm) wide at its widest point and 3.39 inches tall.

5. Incandescent light bulb - Wikipedia

   en.wikipedia.org/wiki/Incandescent_light_bulb

   Thus the glass bulbs or envelopes are created. A typical machine of this sort can produce anywhere from 50,000 to 120,000 bulbs per hour, depending on the size of the bulb. [110] [111] By the 1970s, 15 ribbon machines installed in factories around the world produced the entire supply of incandescent bulbs. [112]

6. LED lamp - Wikipedia

   en.wikipedia.org/wiki/LED_lamp

   A 230-volt LED filament lamp, with an E27 base. The filaments are visible as the eight yellow vertical lines. An assortment of LED lamps commercially available in 2010: floodlight fixtures (left), reading light (center), household lamps (center right and bottom), and low-power accent light (right) applications An 80W Chips on board (COB) LED module from an industrial light luminaire, thermally ...

7. Fluorescent-lamp formats - Wikipedia

   en.wikipedia.org/wiki/Fluorescent-lamp_formats

   Like the European modular furniture, display cabinets, ceiling tile grids, etc. they were designed for, these are based on multiples of the 300 mm (11.8 in) "metric foot" instead of the 12 in (305 mm) imperial foot, but are all 37 mm (1.5 in) shorter to allow space for the lampholder connections within the 300 mm modular units, and for much ...