What is the maximum voltage limit for electrical services mentioned within the IRC?

The maximum voltage limit for electrical services mentioned within the IRC is 240 volts. This limit is significant because it pertains to the most common residential electrical systems, particularly in the context of typical household circuits that supply power to appliances, lighting, and other fixtures.

Understanding this maximum voltage is crucial for compliance with safety standards and ensuring proper installation practices. In residential settings, there are guidelines in place to ensure that the voltage levels do not exceed what is considered safe for both equipment and human interaction.

Higher voltages, while used in some commercial applications, are not standard for typical residential services and thus fall outside of what the IRC typically covers in its regulations. Knowing the standard maximum voltage helps inspectors and electricians ensure that installations are both effective and safe, adhering to the necessary electrical codes and minimizing the risk of electrical hazards.