Thank you for visiting Which of the following raceways is permitted for installation in cinder fill without additional protection A EMT B RMC C PVC D IMC. This page is designed to guide you through key points and clear explanations related to the topic at hand. We aim to make your learning experience smooth, insightful, and informative. Dive in and discover the answers you're looking for!
Answer :
Final answer:
The best raceway permitted for installation in cinder fill without additional protection is PVC. While other raceways like EMT, RMC, and IMC have specific requirements for protection, PVC is specifically designed for this application according to NEC standards. This makes PVC a favorable option for electrical installations in environments with cinder fill.
Explanation:
Understanding Raceway Installations
In electrical installations, the choice of raceways is crucial for ensuring safety and compliance with code standards. The question pertains to which type of raceway can be installed in a cinder fill without additional protection. According to National Electrical Code (NEC) guidelines:
- EMT (Electrical Metallic Tubing) is not typically rated for direct burial without additional protection in cinder fill.
- RMC (Rigid Metal Conduit) is allowed for underground installations with a proper depth but generally needs additional protection against corrosion.
- PVC (Polyvinyl Chloride) is recognized as suitable for direct burial and can withstand the conditions in cinder fill without additional protection.
- IMC (Intermediate Metal Conduit) has similar requirements as RMC when it comes to conditions involving ground fill.
Thus, the best answer to the query is:
C. PVC
because it is specifically approved for installation directly in cinder fill without the need for extra protection, which makes it ideal for such applications.
Learn more about raceway installations here:
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