Circuit Symbols 1

*04 Electronics (160-187).qxd

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Page 160

Circuit symbols 1 Key words cell conductor earth fluorescence fuse

relay

Components–symbols and function in circuits

Conductors crossing with no connection

Primary or secondary cell

Junctions of conductors

Battery of cells

Double junction of conductors

Power supply

Aerial

Plug (male)

Earth

Socket (female)

Frame or chassis connection

Signal lamp

Normally open switch

Filament lamp

Normally closed switch

Neon lamp

Relay coil

Tubular fluorescent lamp

Relay contact

Fuse

● Electronic

symbols are used in electric circuits in order to represent components. The use of these symbols is universal so a circuit can be read and understood by physicists who speak different languages.

cell

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switch

socket female

lamp

plug male

fluorescent tube lamp