Journeyman Electrician Practice Exam

Disable ads (and more) with a membership for a one time $4.99 payment

Prepare for the Journeyman Electrician Exam. Test your skills with multiple-choice questions designed to help you succeed. Each question comes with hints and detailed explanations to assist in your study process.

Practice this question and more.

For raceways that are approved for burial only where they are concrete encased, what is the minimum required thickness of the concrete envelope?

1 inch
2 inches
3 inches
4 inches

The correct answer is: 2 inches

The minimum required thickness of the concrete envelope for raceways that are approved for burial only when concrete encased is 2 inches. This specification is essential for ensuring that the raceway is adequately protected from environmental factors such as soil pressure, moisture, and physical damage caused by external forces. A concrete thickness of 2 inches provides a sufficient layer of protection while also accommodating any potential settling of the surrounding soil. It ensures that the raceway remains structurally sound and complies with safety regulations, preventing issues that could arise from inadequate protection. The thickness is designed to balance safety and practicality, making it a standard requirement in electrical installations where raceways may be subject to harsh conditions. This knowledge is crucial for electricians, as it guides safe and compliant installation practices in various settings.