What is the size of the copper conductor used to bond the equipment grounding terminal bar of patient care panelboards?

The requirement for bonding the equipment grounding terminal bar of patient care panelboards specifies that the copper conductor must be no smaller than 10 AWG. This specification is vital for ensuring safety and effectiveness in grounding practices, particularly in healthcare environments where the risk of electrical shock and fire is a significant concern.

A 10 AWG copper conductor provides sufficient conductivity and strength to carry fault currents safely while minimizing the risk of overheating or failure. In patient care settings, proper grounding is crucial to enhance protection for both patients and medical staff, especially where sensitive equipment is utilized.

Using a conductor that meets or exceeds this size ensures compliance with the National Electrical Code (NEC) and relevant safety standards, aiming to maintain a safe electrical system in healthcare facilities. Adhering to these standards not only protects equipment but also prevents potential hazards that could arise from inadequate grounding.