If I want to totally inulate a section of Atlas O gauge Snap Track, can I just insutlate the third (power rail) with an inulator connector and connect the two outside rails with normal connectors, or can I just insulate the power rail and not connect with two outside rails with a metal joiner? I only have one insulator and am up against the clock for a project I want ocmploeted for the grand kids this Thanksgiving.
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