Any person with good DIY skills (and one who IS NOT COLOR BLIND!
) should be able to handle the task. It is 120VAC only with no cross-over to the DC side....which will usually totally confuse almost any residential electrician. Hot (BLACK), Neutral (WHITE) and Ground (bare copper)
You basically have 2 runs of 30 amp (10AWG) ROMEX feeding into the transfer switch. One should be marked 'M' for main and the other 'G' for generator. The Main is located on the street side and the generator is located at the front of the trailer.
Removing these from the existing ATS will give you the length you need for similar connection (they are well marked on the new PD ATS) as to which cable run goes where. The old ATS should also have the connections marked on an inside label. it is ALWAYS a good idea to double check the markings on the cables with the connection points of the old ATS, just to be sure that Airstream got them correct (they DON'T ALWAYS!!!
).
You the use a third cable run (I ALWAYS use 10/3AWG marine cable....... I never use ROMEX as it is forbidden by ABYC and really has no place in ANY moving vessel or vehicle!) to connect your 30 amp main circuit breaker to the new ATS.
In your breaker box all grounds go to the ground bus and all neutrals to the neutral bus. Only the HOT (black) will connect to the actual breaker. In the ATS, all grounds usually go to a single ground bus but all neutrals are separately connected to existing ATS neutrals, as are the hot conductors.
That makes a total of 9 connections. SHOULD BE A PIECE OF CAKE!!!!!
Be sure to firmly secure the orange ROMEX cables to either the floor or walls so that there is little to no movement in them after completing the wiring. Helps with the minimization of the mechanical hardening of the solid copper that WILL occur.
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