Letter P

Pad-Mounted Transformer
An enclosed transformer mounted on a concrete pad.

Panelboard
A front-accessible panel containing overcurrent protection
devices for use in controlling lighting and appliance or power
circuits.


Photoelectric Proximity Switch A type of sensing switch that uses light to detect the presence of an object without coming into physical contact with the
object.


Pilot Light
An indicator light typically used to represent a condition in a
machine or process.