Which type of raceway is suitable for hinges on a movable ramp of a boathouse due to changing tides?

Liquidtight flexible metal conduit is the appropriate choice for use in applications like hinges on a movable ramp of a boathouse that must accommodate changing tides. The design and construction of this conduit provide a few crucial benefits for such dynamic conditions.

Firstly, liquidtight flexible metal conduit is engineered to offer good flexibility and resilience, allowing it to handle movement and the mechanical stresses that would occur as the ramp shifts with the tide. This adaptability is essential in settings like a boathouse, where seasonal changes and water levels can vary significantly.

Additionally, this type of conduit is resistant to moisture and can help protect the wiring from corrosion or damage due to exposure to water, ensuring safety and longevity even in challenging environments such as those found near water or subject to flooding.

In contrast, the other conduit types may not offer the same level of flexibility or protection against the elements that are essential in this scenario. Rigid metal conduit, while strong, would be too inflexible for a movable application. Schedule 40 PVC conduit could provide some water resistance but lacks the mechanical strength and flexibility needed for constant movement. Flexible non-metallic conduit may be an option in less demanding conditions but generally does not provide the same degree of water protection and durability found with liquidtight options, particularly