Explains the functon & operation of basic electronc devices, including semiconductors, diodes, rectifiers andtransistors. Covers fire alarm control units, Digital Alarm Communicator Systems(DACS),installation wiring for alarminitiating & notification devices, alarm system maintenance, various types of transformers and their applications, information on selecting, sizing and installing these devices and a basic overview of HVAC system controls. Stresses electrical trouble-shooting and NEC requirements. Cover various heat tracing system along with their applications & installation requirements

Required Text: Training Levle Guide 4  11th edition

The successful passing of classes 401-402 are prerequisites for registering for this class