Questions and Answers
What approach should be taken for the Risk Assessment?
TAFESAFE / Job Safety Analysis
Which of the following is NOT allowed in the workshop?
What should not just be locked off during the isolation procedure?
Correct Isolation PROCEDURE
What should be included in the job plan?
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What color should the main earth be?
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What size PEC is required for a switchboard surround if unprotected?
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What is the requirement for stranded cables?
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What should cables running to a switchboard panel do?
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What is the bond size for a water pipe?
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What is the size requirement for the reinforcement bond?
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Study Notes
Risk Management and Safety
- Conduct a Risk Assessment using TAFESAFE and Job Safety Analysis before starting any work.
- Strict adherence to behavior and safety protocols is essential in a workshop setting.
- Personal protective equipment (PPE) requirements include safety glasses and enclosed shoes; tinted safety glasses are prohibited.
Isolation and Planning
- Follow the Correct Isolation Procedure which goes beyond merely locking off.
- Develop a wiring diagram indicating general cable routes and sizes.
- Ensure the main earth is not connected to the Service Neutral Link, complying with section 17.7.
Cable Routing and Management
- Plan actual cable routes effectively:
- Ensure the switchboard panel can be opened completely as per section 2.10.6.
- Secure cables to moving panels to prevent damage, following section 2.10.6 b.
- Utilize a single wiring loom for cables wherever feasible.
Connection Standards
- Stranded cables must be twisted if there is a risk of separation, following standard 3.7.2.5.
- Ensure connections are tight and secure according to 3.7.2.3.1.
Earthing Connections
- Refer to section 5.3.4 for specifications on earthing terminal/connection/bar requirements.
- For Protected Enclosure Conductors (PEC) surrounding switchboards, follow T5.1; if unprotected, refer to 5.5.3.5, reverting back to T5.1 if exceptions are noted.
Main Earth Standards
- For Main Earth requirements, see section 5.3.3.2 and T5.1 for size specifications.
- The Main Earth must be connected back to the main earth connection, adhering to 5.5.1.1.
Bonding Requirements
- Water pipe bond sizing should follow section 5.6.3.2 guidelines, ensuring it connects back to the main earth connection or any point on the main earth as per 5.6.2.2.
- Reinforcement bond size is also specified in section 5.6.3.2 and may connect to any part of the earthing system in accordance with 5.6.2.5.
Additional Considerations
- Refer to Table 5.1 and 5.3.3.4 for PEC sizing related to Final Supply Connections (FSC’s).
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Description
Test your knowledge on essential electrical safety rules and procedures, including risk assessment and proper isolation techniques. This quiz covers critical practices for ensuring safety in workshop environments, particularly regarding earthing and bond connections. Prepare to reinforce your understanding of safe work practices related to electrical tasks.
