Sample interview questions: What steps do you take to ensure proper grounding and bonding in electrical installations?
Sample answer:
- Understand the National Electrical Code (NEC): Maintain updated knowledge of the NEC requirements for grounding and bonding.
- Perform Site Assessment: Evaluate the site conditions, including soil resistivity, moisture levels, and existing grounding systems.
- Select Grounding Electrodes: Choose appropriate grounding electrodes based on the site assessment. Common options include ground rods, Ufer grounds, and buried plates.
- Install Ground Rods: Drive ground rods to the specified depth and ensure proper spacing between them.
- Bond Grounding Electrodes: Connect grounding electrodes together using a bonding conductor to create a continuous grounding system.
- Install Grounding Busbar: Mount a grounding busbar in the electrical panel to serve as the central grounding point for the installation.
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