Visual Dictionary
Subscribe
The Visual
Virtual Human Body
Language:
English
French
Spanish
Look up an image:
Explore by theme
About the Visual
Books
Games
HOME
>
house
>
electricity
>
lighting
>
fluorescent tube
fluorescent tube
Tube in which the electric current produces ultraviolet radiation converted into visible light by a layer of a fluorescent substance.
See fluorescent tube in :
french
|
spanish
pinch
Part in which the lead-in wires are attached.
exhaust tube
Glass tube used to empty the air from the bulb and then to fill it with inert gas before it is sealed.
lead-in wire
Electric conductor carrying the current to the filament.
pin
Cylindrical metal part that establishes electric contact when inserted into the corresponding outlet.
bulb
Long glass cylinder enclosing the components of this type of tube and diffusing light.
gas
The tube is filled with an inert gas under low pressure, with mercury added.
mercury
A small amount of vaporized mercury, added to the gas, emits ultraviolet radiation during the electric discharge.
electrode
A device placed at each end of the tube; an electric discharge arcs between the two of them.
phosphorescent coating
The tube’s internal coating; it is composed of phosphate particles that convert ultraviolet rays into visible light.
pin base
End of the tube equipped with two pins that, when inserted into the socket, connect the tube with the electric circuit.