THE RIGHT STUFF
Over Current Protection Steve Zimmerman
This older Grand Banks has had extensive electrical system upgrades. Running new wires on older boats can be challenging. The over-current protection has been installed well: The clear acrylic cover prevents anyone from accidentally tripping a breaker and it provides a convenient location for labels. All wire terminations have been properly crimped and heatshrink protection has been added. The house negative bus bar offers a clean lowresistance connection point for multiple ground wires. To the left, a house positive bus bar has been installed and a protective cover will prevent anyone from accidentally making contact with a hot circuit. On the far right, a Class T fuse has been installed to protect the inverter wiring. Class T fuses are fast-acting and physically small, while still able to handle higher loads from large battery banks. A spare replacement tie-wrapped to the wire would be a nice addition. Blue plumbing lines can be seen and would be better positioned at some distance from these critical electrical connections to avoid any damage from a leak. Overall this installation has been well planned, well executed, and provides another example of the right stuff.