Deka & Marine Master

112 PAGES 112 THRU 115 TECHNICAL DATA TOTAL APPROX. CIRCUIT AMPERES WIRE GAUGE (FOR LENGTH IN FEET) 12V 3 5 7 10 15 20 25 30 40 50 75 100 Using an automotive wiring guide is critical to help determine the correct wire or cable gauge for 12-volt systems. The selection of the correct gauge for automotive or other low voltage applications is extremely important to maximize safety and performance. Voltage drop or a loss of candlepower can occur if an insufficient gauge is used. Always consider the total amperage and length of wire in each circuit when selecting an adequate gauge. Allow for the return circuit, including the grounded return, when estimating the length. USING THE CHART 1. Measure the length of wire in the circuit including the ground return. A two-wire circuit will be the total lengths of both the wires. Account for both vehicles on auto and trailer applications. 2. Find the total amperes, watts, or candlepower and choose the nearest number in Circuit Amperes column. 3. Look across for proper footage to find nearest wire gauge. Note: 18-gauge applications inside of the shaded area could be 20-gauge for electrical purposes. However, it is recommended to use 18-gauge for the tensile strength of the wire. Chart is based on maximum 10% voltage drop @ 100°F (in free air). EQUIPMENT AVG. AMPS* WIRING GUIDE – PRIMARY WIRE & BATTERY CABLE PAGES 112 THRU 115 TOTAL APPROX. CIR UIT AMPERES WIRE GAU E (FOR LENGTH IN FEET) 12V 3 5 7 10 15 20 25 30 40 50 75 100 1 18 18 18 18 18 18 18 18 18 18 18 18 1.5 18 18 18 18 18 18 18 18 18 18 18 18 2 18 18 18 18 18 18 18 18 18 18 16 16 3 18 18 18 18 18 18 18 18 18 18 14 14 4 18 18 18 18 18 18 18 18 16 16 12 12 5 18 18 18 18 18 18 18 18 16 14 12 12 6 18 18 18 18 18 18 16 16 16 14 12 10 7 18 18 18 18 18 18 16 16 14 14 10 10 8 18 18 18 18 18 16 16 16 14 12 10 10 10 18 18 18 18 16 16 16 14 12 12 10 10 11 18 18 18 18 16 16 14 14 12 12 10 8 12 18 18 18 18 16 16 14 14 12 12 10 8 15 18 18 18 18 14 14 12 12 12 10 8 8 18 16 16 16 16 14 14 12 12 10 10 8 8 20 16 16 16 16 14 12 10 10 10 10 8 6 22 14 14 14 14 12 12 10 10 10 8 6 6 24 14 14 14 14 12 12 10 10 10 8 6 6 30 12 12 12 12 10 10 10 10 10 6 4 4 40 10 8 8 8 8 8 8 8 6 6 4 2 50 8 8 8 8 8 8 8 8 6 6 2 2 100 4 4 4 4 4 4 4 4 4 2 1 1/0 150 2 2 2 2 2 2 2 2 2 1 2/0 2/0 200 1/0 1/0 1/0 1/0 1/0 1/0 1/0 1/0 1/0 1/0 4/0 4/0 Air Conditioner 13 to 20 Alarm System 18 to 20 Anti-lock Brake Module 2 to 6 Cigarette Lighter/Power Outlet 10 to 12 Dash lights 1.5 to 3 Dome Light 1 Electric Clock and Light 0.3 Electric Wiper 3 to 6 Fog Lights 8 to 9 Gauges 0.7 to 1 Headlight Dimmer 2.2 Headlights - Low Beams 8 to 9 Headlights - High Beams 13 to 15 Heater/Defroster 6 to 10 Horns (2) 18 to 20 Ignition 1.5 to 3.5 License Lights 0.5 Parking Lights (2) 1.3 Power Antenna 6 to 10 Power Door Locks 3 to 5 Power Seats 25 to 50 Power Sunroof 20 to 25 Power Windows 2 to 20 Power to Trailer Hitch if Equipped 20 to 30 Radio/CD Player 2 to 5 Rear Window Defogger 20 to 25 Reverse Lights (2) 3.5 to 4 Starter Motor 75 to 300 Starter Solenoid 12 to 20 Stop Lights (2) 3.5 to 4 Side Marker Lights (2) 1.3 Tail Lights (2) 0.5 Trunk Lights 0.5 EQUIPMENT AVG. AMPS* *Based on a typical 12-volt system. TYPICAL AMPERAGE GUIDE WIR NG UIDE – PRIMARY WIRE & BATTERY CABLE

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