In residential wiring, the primary phases include Rough In, Trim Out, and Testing. The term 'Install' is not recognized as a specific phase within this process. Therefore, it is the correct answer to the question of which is not a phase involved in residential wiring. ;
In residential wiring, the phases include Rough In, Trim Out, and Testing. The term 'Install' does not represent a specific phase in this process. Thus, the answer is D. Install.
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