Inline fuse requirement
If your product is NOT supplied with an inline fuse (whether separately or fitted to the power cable), you MUST fit a suitably-rated inline fuse to your product’s red power wire, housed in a waterproof fuse holder.
Fuse requirementPowerFusesInline fuse
The illustration below shows the two main types of inline fuse with waterproof holder, for use in marine electronics installations. Fuses in a variety of ratings are widely available at chandleries and marine electrical retailers.
Select one of the following fuse types to protect your product:
Waterproof fuse holder containing a “glass”-type inline fuse.
Waterproof fuse holder containing a “blade”-type inline fuse.
Fuse ratings:
Voltage rating — must be equal to or greater than the voltage of your vessel’s power supply.
Current rating — refer to the Inline fuse and thermal breaker rating section in this document.