Desire Learning Objective
This course will help you to:
- Describe the planning needed for conductor installations.
- Explain the wire pulling procedure.
- Know the various types of cable pulling equipment.
- Explain high-force cable pulling and know its appropriate usage time.
- Discuss the specifications for installing support conductors in vertical raceways.
- Understand cable pulling in trays.
- Calculate tension in cable pulls and explain the physical limitations of cable.
We impart knowledge and Practical Training in following way:
Ethics, discipline, motivation, health and safety training: Half an hour daily (10%)
Theoretical knowledge: One (01) hour daily (25%)
Hands on Training: Six (06) hour daily (65%)
Planning Conductor Installations
- Pulling location
- Cable pull operations
Setting Up for Wire Pulling
- Setting up the cable reels
- Preparing raceways for conductors
- Deploying the pull line
- Preparing the cable ends for pulling
o Stripping the cable ends
o Safety with cutters
- Selecting the appropriate kind of pulling lines
Types of Cable-Pulling Equipment
- Pulling safety
- Cable-pulling instruments
o Hand-crank wire puller
o Electric cable puller
Appropriate Use of High-Force Cable Pulling
- The feed-in setup
- Sheaves and rollers
Installation of Support Conductors in Vertical Raceways
- National Electrical Code® (NEC) Section 300.19
- Classes of support conductors
o Clamping devices
o Insertion of boxes
- Deflection of cables
- Safety precautions for pulling cables in vertical raceways
o Proper braking equipment
Pulling Cable in Cable Trays
- Supporting points for right-angle turns and offsets
- Safety precautions related to cable-pulling procedures
Physical Limitations of Cable
o Allowable tension on pulling equipment
o Allowable tension on conductors
- Sidewall loading
- Method for calculating the tension in a cable run
Types of cable-pulling instruments
- Cable length meters
- Wire sorter