What is the standard size wire for 120-volt motor control systems?

The standard size wire for 120-volt motor control systems is often #14 AWG. This gauge is commonly used due to its appropriate capacity for handling the current loads typically encountered in these applications, providing a balance between safety and efficiency.

#14 AWG wire is rated for a maximum of 15 amperes and is suitable for typical motor control systems that would operate within this current range. When wiring for such systems, it is crucial to ensure that the wire size is adequate to prevent overheating and to comply with electrical codes, which are designed to provide safe and reliable electrical systems.

Using a wire gauge that is too small, like #16 AWG, may pose risks of overheating due to excessive current draw, while attempting to use larger gauges, like #12 or #10 AWG, may not be necessary unless the load demands higher current. Properly sizing the wire helps in maintaining voltage drop within acceptable limits and ensuring that the motor operates efficiently without risking electrical failures.