What is the correct method for bending LFMC during installation?

The correct approach to bending Liquidtight Flexible Metal Conduit (LFMC) involves the need to maintain its structural integrity while allowing for necessary adjustments during installation. The answer chosen indicates the method of "reverse-twist and bend to break the PVC jacketing" which is essential for LFMC.

This method involves twisting and bending to manipulate the conduit without compromising its performance or causing damage. The specific design of LFMC allows for some flexibility, but this flexibility needs to be handled carefully, as improper bending can lead to damage or stress concentrations that may affect the conduit’s ability to protect the wiring inside effectively.

In contrast, other methods such as using heat may weaken the conduit, making it susceptible to damage, while bending only at right angles can be too restrictive for certain installations. Cutting and reattaching the conduit is not a recommended practice since it can lead to improper sealing and protection against moisture and mechanical damage.

By employing the reverse-twist and bend technique, installers can adjust the conduit while preserving its integrity, ensuring that it continues to offer reliable service for the electrical systems it protects.