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Circuit symbols 1

Components–symbols andfunction in circuits● Electronic symbols are used in electric

circuits in order to representcomponents. The use of these symbolsis universal so a circuit can be readand understood by physicists whospeak different languages.

cellconductorearthfluorescencefuse

relay

Key words

cell

lampswitch

socketfemale

plugmale

fluorescenttube lamp

Conductors crossingwith no connection

Junctions of conductors

Double junction ofconductors

Aerial

Earth

Frame or chassisconnection

Normally open switch

Normally closed switch

Relay coil

Relay contact

Primary orsecondary cell

Battery of cells

Power supply

Plug (male)

Socket (female)

Signal lamp

Filament lamp

Neon lamp

Tubular fluorescentlamp

Fuse

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