Which labeling must be included on the galvanic isolator if applicable, according to ABYC A-28?

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The correct labeling for a galvanic isolator according to ABYC A-28 must include "Fail-Safe per ABYC A-28." This designation is crucial because it indicates that the device is designed to prevent galvanic corrosion, which can occur when different metals are in contact in a marine environment. A fail-safe design ensures that, in the event of a malfunction, the isolator will still provide a safe degree of separation between the ground and the boat's electrical system. This minimizes the risk of corrosion and protects the hull from damage.

In a marine context, where the integrity of the vessel and its electrical systems is paramount, the fail-safe labeling communicates to users and technicians that they can rely on the device's performance under various conditions while maintaining safety standards as set forth by ABYC. Other labeling options do not adequately convey the critical safety aspect of ensuring reliable functionality in all scenarios, leaving users without the best assurance of performance.

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