3. Here's a floor plan with the lighting added in. All the lighting in the coach is DC. Most lights are 24 volts, except where fixtures or bulbs were simply unavailable in anything but 12. The spaghetti of colored lines show the logical connection of light fixtures to switches -- different colors are different circuits on the DC breaker panel.

3. Here's a floor plan with the lighting added in. All the lighting in the coach is DC. Most lights are 24 volts, except where fixtures or bulbs were simply unavailable in anything but 12. The spaghetti of colored lines show the logical connection of light fixtures to switches -- different colors are different circuits on the DC breaker panel.