What is the range of sizes for Rigid Metal Conduit (RMC)?

Prepare for the Conduit Test with our comprehensive quiz. Engage with flashcards and multiple choice questions, each with detailed hints and explanations. Boost your confidence for the exam!

Rigid Metal Conduit (RMC) is a type of conduit used for electrical wiring that is known for its durability and strength. The standard sizes for RMC typically range from 1/2 inch to 6 inches in diameter. This broad range allows for flexibility in accommodating various electrical installations and types of wiring, ensuring that RMC can fit both smaller and larger wiring needs.

The correct choice reflects the full range of permissible sizes for RMC as established in the National Electrical Code (NEC) and industry standards, making it the appropriate answer. Each size serves different applications, from thin walls in residential constructions to larger applications in commercial setups. By being aware of this range, those working with RMC can make informed decisions regarding conduit selection in their projects.

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