Power Transfer: RV Inverter Installation

RV electrical advice

Gray Frame Corner

Mowgli-Adventures.com

Mowgli-Adventures.com

To use AC appliances when boondocking, an inverter is essential.  You can leverage your existing AC circuits for a slicker solution.

By installing a transfer switch and inverter to the RV’s AC distribution box, you can flip between shore power and the battery supply on demand.

Mowgli-Adventures.com

Before you start  You are dealing with AC power and that has the potential to kill. – These guidelines do not replace the need for a qualified electrician

White Frame Corner
White Frame Corner

Mowgli-Adventures.com

Step 1: Identify your priority AC circuits. These will be powered by the inverter when you are off-grid.

0218

Gray Frame Corner
Gray Frame Corner

Mowgli-Adventures.com

1

Step 2: Install your inverter, with an AC distribution box with individual circuit RCDs for each priority circuit. This is an example of what the wiring diagram looks like:

White Frame Corner

Mowgli-Adventures.com

2

Step 3: Install your shore power and non-priority AC circuits with their sockets and RCD breakers. 

White Frame Corner

Mowgli-Adventures.com

3

Step 4: Ensure the system is grounded. Connect the earth points to the external AC supply  AND the vehicle chassis earth point. If you do not understand  ANY OF this, please get a qualified electrician to help.

Mowgli-Adventures.com

4

When using an inverter and shore power supply to provide power to the same AC circuits, you must install a transfer switch to isolate the different power sources

Mowgli-Adventures.com

Swipe up for 27 more steps

Gray Frame Corner

Mowgli-Adventures.com

Always follow the manufacturer’s operating instructions when switching between shore power supply and the inverter.