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2. Series and parallel circuits - Wikipedia

   en.wikipedia.org/wiki/Series_and_parallel_circuits

   In a parallel circuit, the voltage across each of the components is the same, and the total current is the sum of the currents flowing through each component. [1] Consider a very simple circuit consisting of four light bulbs and a 12-volt automotive battery. If a wire joins the battery to one bulb, to the next bulb, to the next bulb, to the ...

3. Holiday lighting technology - Wikipedia

   en.wikipedia.org/wiki/Holiday_lighting_technology

   Screw-base C7 and C9 light sets use line voltage (120 volt) bulbs and are wired in parallel. LED-based sets use a current-limiting resistor to reduce the current supplied to each LED. Neon-lamp-based sets have lamps connected in parallel, each with its own current-limiting resistor. Battery-powered sets are also wired in parallel. [citation needed]

4. Shunt (electrical) - Wikipedia

   en.wikipedia.org/wiki/Shunt_(electrical)

   If connected in series with the circuit it simply prevents reversed current, but if connected in parallel it can shunt the reversed supply, causing a fuse or other current limiting circuit to open. All semiconductor diodes have a threshold voltage – typically between 0.5 volt and 1 volt – that must be exceeded before significant current ...

5. Lightbulb socket - Wikipedia

   en.wikipedia.org/wiki/Lightbulb_socket

   115-volt airway beacon light bulb with a Mogul bi-post base. With bi-post bases, the lamp orientation is fixed so that the filament will always be in the focal plane. Filament configurations such as the C13D (coiled, zigzagged) emit far more light perpendicular to the zigzag than parallel to it.

6. Incandescent light bulb - Wikipedia

   en.wikipedia.org/wiki/Incandescent_light_bulb

   A 230-volt incandescent light bulb with a medium-sized E27 (Edison 27 mm) male screw base. The filament is visible as the mostly horizontal line between the vertical supply wires. A scanning electron microscope image of the tungsten filament of an incandescent light bulb Elaborate light in Denver, Colorado

7. Tizio - Wikipedia

   en.wikipedia.org/wiki/Tizio

   The position and the direction of the bulb can be adjusted; thanks to two counterweights, moving it requires little effort. There are no wires between the base and the lamp: the two parallel arms, connected with snap fasteners, conduct safe 12-volt electricity. [4] The bulb is halogen, which was previously mainly used in the automotive industry ...