Official Course Description:   MCCCD Approval:  06/22/99  
ABA204      19996-99999 LEC 1 Credit(s) 1 Period(s)
Contactors and Relays
Operating principals of contactors and relays. Function in an electrical system. Operation and installation of specific contactors and relays. Interpretation of wiring diagrams. Connect and test a simple control circuit. Prerequisites: None.
 
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MCCCD Official Course Competencies:
 
ABA204   19996-99999 Contactors and Relays
1. Describe the operating principals of contactors and relays. (I)
2. Identify and explain how specific contactors and relays function in electrical systems. (II)
3. Install contactors and relays according to National Electrical Code requirements (NEC). (III)
4. Select and install contactors and relays for lighting control. (IV)
5. Interpret wiring diagrams involving contactors and relays. (V)
6. Connect and test a simple control circuit. (VI)
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MCCCD Official Course Outline:
 
ABA204   19996-99999 Contactors and Relays
    I. Operating Principle
        A. Contactors
        B. Relays
      II. Types and Function
          A. Contactors:
            1. magnetic
            2. lighting
            3. mechanically held
          B. Relays
            1. control
            2. timer and timing relays
            3. solid state
            4. overload
        III. Installation
            A. Contactors
            B. Relays
          IV. Lighting Control
              A. Select
              B. Install
            V. Interpretation
                A. Contactors
                B. Relays
              VI. Circuits
                  A. Enclosure
                  B. Switch points
                  C. Power and finish trim
                  D. Test and troubleshoot
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