Conductors for systems operating at 60VDC and over must be marked to indicate what?

When dealing with conductors in systems that operate at 60VDC and above, it is essential for them to be marked to indicate correct polarity. This is critical for the safe and correct functioning of the electrical system. In DC systems, the polarity of the conductors affects how the circuit operates; reversed polarity can lead to malfunctions or even damage to connected devices. Ensuring that the wiring is clear about which conductor is positive and which is negative helps prevent accidents during installation and maintenance work.

Marking conductors for correct polarity also enhances the safety of personnel working with or around these systems, as working with reversed polarity can pose electrical hazards. Clarity in marking reduces the risk of improper connections, which is especially important in circuits that might power sensitive or critical electronic equipment. Hence, proper identification of conductor polarity is essential for both the operational integrity and safety of electrical installations above the specified voltage level.