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incandescent lamp
incandescent lamp
Lamp in which a filament heated by an electric current produces light rays.
See incandescent lamp in :
french
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spanish
lead-in wire
Electric conductor carrying the current to the filament.
inert gas
Gas inserted in the bulb to slow down evaporation of the filament.
base
Metal end of a lightbulb inserted into a socket to connect it to the electric circuit.
exhaust tube
Glass tube used to empty the air from the bulb and then to fill it with inert gas before it is sealed.
pinch
Part in which the lead-in wires are attached.
heat deflecting disc
Metal disc placed at the entrance of a lamp’s neck to protect the pinch and the base from the heat.
stem
Button support.
button
End of the stem; the filament supports are attached to it.
support
Metal wire holding the filament.
filament
Very thin metal wire, usually made of tungsten, emitting light rays when an electric current passes through it.
bayonet base
Base fitted with two short metal pins so that it can be placed in the corresponding socket.
screw base
Base fitted with a screw pitch so it can be inserted into the corresponding socket.
bulb
Gas sealed in a glass envelope into which the luminous body of a lamp is inserted.