Practical Activity 2: Install DC PV Cabling and Routing Systems
Objectives
After completing this practical activity, learners will be able to:
- Install DC PV cabling systems according to workplace operational standards
- Route DC cables safely and correctly
- Apply cable protection and securing procedures
- Verify cable installation quality and compliance
- Apply workplace electrical safety procedures during cabling activities
Scenario
You are part of a solar PV installation team responsible for installing DC cabling systems for a PV installation project. The DC cables must be routed, protected, secured, and installed according to installation drawings, manufacturer specifications, and workplace electrical standards before electrical connections can begin.
You are required to install and route DC cabling safely while ensuring compliance with workplace operational procedures and electrical safety standards.
Instructions
Step 1: Prepare DC Cabling Materials and Tools
Prepare and organize:
- DC PV cables
- Cable conduits and trunking
- Cable clips and ties
- Cable glands
- Cable protection systems
- Crimping tools
- Cable cutters and strippers
- PPE and safety equipment
Verify that all installation materials and tools are operational and safe for use.
Step 2: Inspect Cable Routing Paths
Inspect and verify:
- Cable routing layouts
- Access routes
- Cable support locations
- Environmental exposure risks
- Potential mechanical damage areas
- Safe separation from hazardous areas
Ensure routing paths comply with installation drawings and workplace standards.
Step 3: Install and Route DC Cabling
Install and route:
- String cables
- Main DC cables
- Conduit systems
- Cable trunking
- Cable protection systems
Ensure cables are routed neatly, safely, and securely throughout the installation area.
Step 4: Secure and Protect DC Cabling
Apply cable securing and protection procedures including:
- Cable clipping
- Cable tying
- Conduit securing
- Protection against abrasion
- UV protection where required
- Mechanical protection measures
Verify all cabling is protected from operational damage.
Step 5: Apply Electrical and Workplace Safety Procedures
Demonstrate:
- Correct PPE usage
- Safe handling of electrical cabling
- Electrical isolation awareness
- Safe tool handling procedures
- Working-at-height safety where applicable
Apply workplace operational safety procedures consistently.
Step 6: Verify Installation Quality and Compliance
Inspect and verify:
- Cable routing quality
- Cable support spacing
- Conduit installation quality
- Cable protection integrity
- Compliance with installation drawings
- Workplace electrical compliance requirements
Identify and correct installation irregularities where required.
Step 7: Complete Workplace Documentation
Complete:
- DC cabling installation checklist
- Cable routing verification report
- Cable protection inspection report
- Workplace operational compliance documentation
Expected Output
Learners must produce:
- A completed DC cabling installation checklist
- A cable routing verification report
- A cable protection inspection report
- A workplace operational compliance report
Skills Practiced
- DC cable installation
- Cable routing procedures
- Cable protection procedures
- Electrical safety procedures
- Workplace operational compliance
- Installation quality verification
- Safe tool handling
- Operational documentation