What type of systems do ABYC installation standards pertain to?

The ABYC (American Boat and Yacht Council) installation standards are designed to ensure safety, reliability, and performance in electrical systems aboard boats and yachts. These standards apply to all types of electrical systems, including both alternating current (AC) and direct current (DC) systems.

The inclusion of both AC and DC systems reflects the variety of electrical applications found on vessels. For instance, DC systems are commonly used for battery-powered devices and lighting, while AC systems are often employed for larger appliances and shore power connections. By encompassing both types, the ABYC standards provide a comprehensive framework for safe installation practices, voltage ratings, and load calculations, which are essential for the proper functioning of marine electrical systems.

Hydraulic systems are unrelated to the electrical standards established by ABYC, as they pertain to mechanical fluid power systems rather than electrical installations. Thus, the selection that includes both AC and DC systems accurately represents the scope of the ABYC standards.