ANSI / IEEE
IEC 60617What the AND gate symbol means
The output is 1 only when all inputs are 1.
ANSI and IEC symbols
Where you see it
Digital electronics, PLC function block diagrams, interlock and safety logic, and cause and effect logic.
Related symbols
Frequently asked questions
What does the AND gate symbol look like?
On ANSI drawings: A D-shaped body. In IEC 60617: A rectangle marked &.
Is the AND gate symbol the same in IEC and ANSI?
No. A rectangle marked &.
Where is a AND gate used?
Digital electronics, PLC function block diagrams, interlock and safety logic, and cause and effect logic.
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