Now we select the number of current-carrying conductors that are bundled together, for example in the same cable trunk or wiring harness and whether or not the conductor is installed in an engine compartment.Note, however, that cables with a 60° Celsius rating on the insulation are not allowed to be installed in engine compartments! In this case, we recommend that you leave the setting at the 60° Celsius (140☏) setting to be on the safe side. In other parts of the world, this is unfortunately not always required. In the US, this should be printed on the conductor's insulation. The next setting is the temperature rating of the conductor's insulation.If you want to, you can also set a custom value. For less important loads you can also set it to 10%, but we recommend to start with the 3% setting and only change it if the required wire sizes become excessive. The maximum voltage drop is preset to 3%, which is required for safety relevant devices. ![]() Now we set the system voltage, which on boats is typically either 12 or 24 Volts in a DC system and 120 or 230 Volts in an AC-system.This should be written on the back of the devices or found in their data sheets. ![]() We can choose either Amps or Watts as the unit.
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