Are there specific requirements for conduits entering boxes?

The requirements for conduits entering boxes are crucial for ensuring safety and functionality in electrical installations. When conduits enter boxes, it is essential to maintain the integrity of connections and prevent moisture entry. This is highlighted in the National Electrical Code (NEC), which sets standards to protect electrical components from environmental factors and to ensure reliable electrical connections.

Maintaining the integrity of connections is vital because a proper fitting ensures that the conductors are effectively protected from physical damage and possible disconnection. Any gaps or improper fittings could lead to loose connections that may cause electrical failures or hazards.

Preventing moisture entry is equally important. Moisture can lead to corrosion of electrical connections, short circuits, and can even pose fire risks. Adequate sealing of conduit entries is a necessary measure to keep the internal environment of the box dry and conducive for safe operations.

Therefore, the correct answer emphasizes the dual necessities of protecting the physical connections and minimizing moisture exposure, which is a fundamental aspect of wiring practices according to the NEC.