!"#$%&#'()*+,$-)#.$%/0*1$234$5/67("*$8/7*"$9:;;1<$
=/#:>*)6$?:>@*"$AB33CC$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$D'&;6*"$L.$8&E*$J.
F*G.$H
24
Pulse
Signifies Pulse Function
or Control
ANSI/NEMA
25
Sequence
Advance
To Signify Advancing to
the Next Sequence
Event (Level)
ANSI/NEMA
26
Sequence
Deadvance
To Signify Returning to
the Previous Sequence
Event (Level)
ANSI/NEMA
27
Air (Gas) Pres-
sure
To Signify Air (or Gas)
Pressure Function or
Control
ANSI/NEMA
28
Purge by Gas
To Signify Purging of Air
(by Gas)
ISO
7000-0474
29
Remote
Signifies Remote Opera-
tion or Control
ANSI/NEMA
30
Start
To Signify the Start (of
Action) Function or Con-
trol
ANSI/NEMA
31
Pushbutton
To Signify a Pushbutton
Switch used to Start or
Stop a Function
ANSI/NEMA
32
Panel/LOCAL
To Signify Panel/Local
Function or Switch such
as a Switch to Change
Between a Local Control
and a Remote Control
ANSI/NEMA
33
ON-OFF Switch
To Signify an ON-OFF
Switch
ANSI/NEMA
34
Receptacle
To Signify a Receptacle
Type Connector
ANSI/NEMA
35
ON
To Signify the ON State
of a Function
ANSI/NEMA
Table 1. Graphical Symbols Index
