What is the minimum radius for a field bend on trade size 1 1/4 RMC?

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In electrical work, field bends are critical for ensuring that conduit does not suffer damage or stress that could compromise its functionality or integrity. The minimum radius for a field bend is essential for maintaining the integrity of the conduit, especially in rigid metallic conduit (RMC) installations.

For trade size 1 1/4 RMC, the National Electrical Code (NEC) provides guidelines that specify a minimum bending radius to prevent crimping or significant deformation of the conduit. A bend that is too tight can cause mechanical damage and increase the likelihood of electric failure due to stress on the wires or conduit itself.

A radius of 8 inches for trade size 1 1/4 RMC aligns with these standards, ensuring that the conduit maintains its structural integrity and that any cables or conductors within have sufficient space to avoid damage. This radius allows for proper installation without compromising the performance and safety of the electrical system.

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