40 78 00 Panel Mounted Instruments
40 78 13 Indicators and Meters
40 78 13 Indicators and Meters 40 78 16 Indicating Lights 40 78 19 Switches and Push Buttons 40 78 23 Potentiometers and Manual Controllers 40 78 26 Chart Recorders 40 78 33 Annunciators 40 78 43 Single-Loop Controllers 40 78 53 Relays 40 78 56 Isolators, Intrinsically-Safe Barriers, and Surge Suppressors 40 78 59 Power Supplies 40 78 63 Alarm Dialers