Course: ABC131 First Term: 2011 Fall
Final Term: Current
Final Term: 2018 Summer
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L+L 0.5 Credit(s) 0.5 Period(s) 0.5 Load
Credit(s) Period(s)
Load
Subject Type: OccupationalLoad Formula: S |
MCCCD Official Course Competencies | |||
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1. Describe the components that make up a cable tray assembly. (I)
2. Explain the methods used to hang and secure cable tray. (II) 3. Describe how cable enters and exits cable tray. (II) 4. Select the proper cable tray fitting for the situation. (III, IV) 5. Explain the National Electrical Code (NEC) requirements for cable tray installation. (V) 6. Select the required fittings to ensure equipment grounding continuity in cable tray systems. (VI) 7. Size cable tray for the number and type of conductors contained in the system. (VI) 8. Interpret electrical working drawings showing cable tray fittings. (VII) 9. Pull cable through a cable tray system. (IX) 10. Demonstrate safety procedures for cable tray system installation. (X) | |||
MCCCD Official Course Competencies must be coordinated with the content outline so that each major point in the outline serves one or more competencies. MCCCD faculty retains authority in determining the pedagogical approach, methodology, content sequencing, and assessment metrics for student work. Please see individual course syllabi for additional information, including specific course requirements. | |||
MCCCD Official Course Outline | |||
I. Cable Tray Systems
A. Trade terms B. Basic forms 1. ladder 2. trough 3. solid bottom II. Cable Exit A. NEC regulations B. No plate C. No drop-out plate D. Drop-out plate III. Cable Support Fittings A. Vertical trays B. Cable edge protection C. Vertical adjustable splice plates D. Horizontal adjustable splice plates E. Expansion splice plates F. Divider strip G. Divider strip cable protector IV. Cable Tray Support A. Trapeze mounting B. Direct rod suspension C. Wall mounting D. Pipe-rack mounting V. NEC Requirements A. Article 392 1. construction 2. installation 3. grounding B. Article 340 1. power cable 2. control cable VI. Cable Installation Procedures/Requirements A. Conductors connected in parallel B. Number of cables allowed 1. 4/0 or larger 2. smaller than 4/0 3. combination cables 4. solid bottom tray 5. single conductor cables C. Ampacity of cable tray conductors D. Cable pulling VII. Cable Tray Drawings A. Fittings B. Drawing interpretation 2. Smaller than 4/0 3. Combination cables 4. Solid bottom tray 5. Single conductor cables C. Ampacity of cable tray conductors VIII. Cable Tray Drawings A. Fittings B. Drawing interpretation IX. Pulling Cable in Tray Systems X. Safety Procedures A. Cable tray systems B. Cable pulling | |||
MCCCD Governing Board Approval Date:
4/26/2011 |