What voltage do each conductor in a triplex wire typically carry?

In a triplex wire, which is commonly used for overhead power distribution, each conductor typically carries 120 volts. This configuration is typical in residential service, especially in the United States, where the standard voltage for household circuits is 120V. The triplex wire consists of three conductors: two phase conductors and one neutral conductor. The two phase conductors are usually used to provide a voltage of 120V each, while the combination of the two can provide a 240V supply when connected in certain configurations (for instance, in larger appliances).

The option of 120V aligns with the common household voltage used for most electrical appliances and outlets. Therefore, it is important to recognize that while triplex wire can potentially be involved in circuits that may use higher voltages in specific applications, the standard voltage each conductor carries in typical usage is indeed 120V. This fundamental understanding is critical for anyone working with electrical systems, ensuring safety and compliance with electrical standards.