RV Inverter Transfer Switch Installation: How To Guide

RV electrcial advice

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Some campers have AC circuits powered by shore power. To use AC appliances when boondocking or off-grid, an inverter is essential.

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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.

You are dealing with AC power, and that has the potential to kill. These guidelines do not replace the need for a qualified electrician but give an indication of the work involved

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You’ll need a transfer switch.  And  a Multimeter: To confirm the electrical supply is off, and  for general electrical workings.

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If this is an extension to an existing system, you MUST ensure all power to the RV is off. There must be no AC or DC power on the circuits.

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

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Step 2: Install your inverter, with an AC distribution box with individual circuit RCDs for each priority circuit.

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Step 3: Install your shore power and any non-priority AC circuits Step 4: Ensure the system is grounded properly

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If you do not understand any of this, please get a qualified electrician to help.