Do You Know What These Electrical Symbols Represent?

Electrical symbols can appear to be similar and even have similar names but have very different meanings. Having a clear understanding of the symbol, its component name and meaning is essential to answering symbol related questions correctly on your electrical exam.

Do you recognize the component name and meaning for the following electrical symbols?

Symbol #1

electrical wire symbol

Component Name:

Electrical Wire

Component Meaning:

Conductor of electrical current.

Symbol #2

unconnected wires symbol

Component Name:

Not Connected Wires

Component Meaning:

Wires not connected.

Symbol #3

SPST switch symbol

Component Name:

SPST Toggle Switch

Component Meaning:

Single pole-single throw toggle switch.

Symbol #4

SPDT switch symbol

Component Name:

SPDT Toggle Switch

Component Meaning:

Single pole-double throw toggle switch.

Symbol #5

bus symbol

Component Name:

Bus Bar

Component Meaning:

A type of electrical junction at which all incoming and outgoing electrical current meets.

Symbol #6

Component Name:

Capacitor

Component Meaning:

An electrical component that stores potential energy.

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