What can cause intermittent or erratic operation of switches used on pilot duty loads?

Intermittent or erratic operation of switches used on pilot duty loads can often be attributed to oxidation or dirt in the contacts. This buildup creates a barrier that interrupts the electrical current flow across the switch contacts, leading to unstable or inconsistent performance. When contacts are dirty or oxidized, they may not make proper contact when the switch is engaged or may cause a poor connection, resulting in sporadic operation.

In environments where switches are frequently used or exposed to certain contaminants, the integrity of the contacts can degrade over time. Regular maintenance and cleaning are therefore essential to ensure that switches function correctly, as clean, unoxidized contacts allow for reliable electrical continuity. This is foundational in maintaining optimal operation in systems using pilot duty loads, where dependable switching is crucial for overall equipment functionality.