310 Electrical Plan, DC, sheet 1 of 2 (drawing 310-72001-0). Includes the windlass breaker (80 amp) and electric service panel.310 Electrical Plan, DC, sheet 2 of 2. Labels include: battery 1 and battery 2; engine; battery grounds; distribution panel breakers (20A, 25A, 15A, 10A, 5A); bus bars; voltmeter 8-18 volts; see AC plan.