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Glossary G — 386-86000-00 B00
OSHA Occupational Safety and Health Agency.
PCA Printed circuit assembly.
PCB Printed circuit board.
PN Part number.
PWM Pulse Width Modulation.
RCD Load Load consists of resistor, capacitor and diode. A computer with switched
mode power supply is considered a RCD load.
RL Load Load consists of resistor, and inductor. A fan or a drill is considered a RL
load.
SCR Silicon controlled rectifier.
Shipping damage Any damage done to an article while it is in transit.
SPDT Single Pole Double Throw.
Static Transfer An solid state switching mechanism electronically controlled to pass AC power
directly from the utility to an output load.
Technician Refers to an electronic technician qualified to maintain and repair electronic
equipment. Not necessarily qualified to install electrical wiring.
V Volts
VA Volt amperes
VA Volt-amps, unit for apparent power measurement, equal V x I.
VAC or Vac Voltage of AC type.
VDC or Vdc Voltage of DC type.
ve Battery voltage.
Via By way of.
Installation and User Manual