What can the presence of moisture indicate in relation to electrical installations?

The presence of moisture in electrical installations is a significant concern as it can lead to various issues, primarily indicating a higher likelihood of insulation failure. Moisture can infiltrate electrical components and wiring, leading to the deterioration of insulation materials. This breakdown in insulation can allow electrical current to leak, potentially causing short circuits, electrical shocks, or fire hazards.

While moisture might seem to improve conductivity in certain contexts, it largely increases risks by compromising the integrity of electrical systems. Additionally, moisture does not enhance safety; in fact, it generally poses a higher danger as it can create pathways for current to escape the intended circuit. Enhanced performance of Residual Current Devices (RCDs) is also unlikely since these devices are designed to trip and protect against current leakage. Therefore, moisture serves as a critical indicator of potential insulation failure rather than an enhancer of performance or safety.