The 125 percent multiplier for a continuous load is included when using unit loads for calculating lighting load for which section?

The 125 percent multiplier for a continuous load is specifically applied in the context of calculating branch circuit conductors for lighting loads, which is addressed in the relevant sections of the National Electrical Code (NEC). In this case, the section that discusses the application of a 125 percent multiplier for continuous loads is 210.20(a). This section establishes the requirement that for a load expected to be continuous, conductors must be rated to handle 125 percent of that load to prevent overheating issues.

When considering the need for larger conductor sizing due to increased load duration, the 125 percent rule helps ensure that electrical systems are safe and functional under continuous operating conditions. This is important for load calculations as they help prevent exceedance of conductor ratings over time, thus promoting longer lifespan and reliability of electrical systems and preventing potential fire hazards due to overheating.

In contrast, the other sections mentioned involve different aspects of load calculations and requirements that do not specifically address the continuous load multiplier in the manner that 210.20(a) does.