Maricopa Community Colleges  ABC128   19952-19966 
Official Course Description: MCCCD Approval: 11/22/94
ABC128 19952-19966 L+L 2 Credit(s) 4 Period(s)
Raceways, Boxes, Fittings/Conductors
Types and applications of conduit, raceways, wireways and ducts. Hardware and systems used to mount and support boxes, receptacles and other electrical components. Also types, applications, and proper wiring techniques for conductors. Prerequisites: (Indentured status with Associated Builders and Contractors, Inc., and ABC127) or permission of the apprenticeship coordinator.
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MCCCD Official Course Competencies:
 
ABC128   19952-19966 Raceways, Boxes, Fittings/Conductors
1. Identify specific types of conduits and their applications, and install specific conduit. (I, II)
2. Identify specific types of raceways and describe their applications. (III)
3. Install duct banks. (IV)
4. Demonstrate the safety precautions for working in or near underground lines, trenches and manholes. (V)
5. Use specific types of anchors and supports, and various sizes and gauges of wire according to the American Wire Gauge standards. (VI, VII, VIII)
6. Identify the materials, types of insulation and jacket types needed for specific conditions, applications and ratings. (IX)
7. Explain the characteristics and install instrumentation control wiring. (X)
8. Describe equipment requirements and pull wire through conduit. (XI)
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MCCCD Official Course Outline:
 
ABC128   19952-19966 Raceways, Boxes, Fittings/Conductors
    I. Conduit
        A. Ground path
        B. Types and applications
          1. Electrical metallic tubing (emt) (nec art. 348)
          2. Rigid metal conduit
          3. Flexible metal conduit
          4. Rigid nonmetallic conduit
          5. Electrical nonmetallic tubing
      II. Installing Conduit
          A. Supports
            1. Straps
            2. Electrical framing channels
            3. Wire supports
          B. Bending
            1. Equipment
            2. Geometry
            3. 90 degree bend
            4. Bender take-up
            5. Gain
            6. Back-to-back 90 degree bends
            7. Offset
            8. Saddle bends
          C. Cutting, reaming and threading
            1. Hacksaw method
            2. Pipe cutter method
            3. Reaming
            4. Threading
            5. Cutting and joining pvc conduit
          D. Conduit-to-box connections
            1. Knockouts and pryouts
            2. Knockout punches
            3. Bushings and locknuts
            4. Connection
        III. Raceways
            A. Wireways
              1. Connectors
              2. System layout
              3. NEC requirements
            B. Surface metal raceways
              1. Applications
              2. General systems
              3. Plugmold multi-outlet systems
              4. Pole systems
              5. Overhead distribution systems
              6. Underfloor systems
              7. Cellular metal floor raceways
              8. Cellular concrete floor raceways
          IV. Duct banks
              A. Underground systems
              B. Duct line
              C. Duct materials
                1. Plastic conduits
                2. Monolithic concrete duct
                3. Cable-in-duct
              D. Installing duct lines
            V. Safety
                A. General protection safety
                B. Underground lines
                C. Excavations and trenches
                D. Manholes
              VI. Anchors and Supports
                  A. Base material
                  B. Material composition of anchors
                    1. Spacing recommendations
                    2. Anchor functioning
                    3. Loading conditions
                    4. Anchor installation torque
                VII. Types of Anchors and Supports
                    A. One-step
                      1. Masonry expansion bolt
                      2. Masonry expansion stud
                      3. Set-bolt
                      4. Lok/bolt
                      5. Spike
                      6. Tapcon screws
                      7. Other
                    B. Bolt anchors
                      1. Steel drop-in
                      2. Saber-tooth
                      3. Single bolt
                      4. Double bolt
                      5. Calk-in
                    C. Screw anchors
                      1. Lag-shield
                      2. Rawl plug
                      3. Scru-lead
                      4. Bantam plug
                    D. Hollow wall anchors
                      1. Toggle screw
                      2. Toggle bolt
                    E. Rod hanger and ceiling anchors
                      1. Rod hanger wedge anchor
                      2. Pipe spike
                      3. Rod coupling
                      4. Tie-wire spike
                    F. Fasteners
                      1. Cad screw
                      2. Self-tapping screw
                      3. Chem-stud
                    G. Supports
                      1. One and two hold straps
                      2. Minerallac supports
                      3. Unistrut
                      4. Beam clamp
                      5. Wire supports
                      6. Wireway hanger
                      7. Gusset brackets
                      8. Standard hanger
                      9. Trapeze hanger
                    H. Cable tray supports
                      1. Direct rod suspension
                      2. Wall mounting
                      3. Pipe rack mounting
                  VIII. Size and Gauge of Wire
                      A. American Wire Gauge (AWG) System
                      B. Stranding
                      C. Compressed conductors
                      D. Circular mils
                    IX. Conductor Material
                        A. Conditions, applications and ratings
                          1. Conductivity
                          2. Cost
                          3. Availability
                          4. Workability
                        B. Insulation - jackets
                          1. Thermoplastic
                          2. Letter coding
                          3. Color coding
                          4. Wire ratings
                          5. Conditions and applications
                        C. Fixture wires
                        D. Heating cables
                        E. Cables
                          1. Markings
                          2. Nonmetallic-sheathed
                          3. Type UF
                          4. Type SNM
                          5. Type MV
                          6. High-voltage shielded
                          7. Channel wire assemblies
                          8. Flat conductor cable
                          9. Type TC
                          10. Type USE
                      X. Instrumentation Control Wiring - Characteristics/Applications
                          A. Shields
                          B. Grounding
                          C. Jackets
                        XI. Conductors/Conduit Systems
                            A. Equipment
                              1. Powered fish tape
                              2. Stringline/wire connection
                            B. Wire grips
                            C. Pull lines
                            D. Pulling equipment
                            E. Procedures
                              1. Feeding conductors into conduit
                              2. Lubrication
                              3. Termination
                              4. Safety
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