May 25, 2026  
WSCC 2025-2026 Catalog 
    
WSCC 2025-2026 Catalog [ARCHIVED CATALOG]

ELC 105 - Relays & Sensors


Offered FL, WI, SM
3.4 credit hrs/4.54 contact hrs
Prerequisite: ELC 104 - Motor Control 
Introduces control relays used to start and stop electric motors, troubleshooting components in‐circuit, control circuits and basic operation of electronic sensors in motor control circuits. Hands‐on labs focus on using the components in actual circuits.