How many quarter bends are allowed in IMT between pull points?

The correct answer indicates that a maximum of four quarter bends are allowed in an Intermediate Metallic Trade (IMT) installation between pull points. This regulation is set to ensure that the installation remains manageable and does not exceed the acceptable limits for bends, which could complicate the pull of conductors and affect the integrity of the installation.

Proper bending minimizes stress on the cables and facilitates easier pulling, avoiding potential damage or kinking. Four quarter bends provide flexibility in routing the conduit while adhering to industry standards for installation practices. By limiting the number of bends, it is ensured that conductors can be installed without needing excessive force, which could lead to conductor damage or increased installation difficulties.

Fewer than four quarter bends might not fully utilize the conduit route efficiently, while more than four could create challenges that compromise the effectiveness and safety of the electrical system management and installation. This understanding is crucial for technicians working with IMT systems to maintain compliance and ensure reliable performance in electrical installations.