Ask This Old House

Installing a Manual Transfer Switch; Fixing a Clog

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Host Kevin O'Connor and electrician Scott Caron travel to Annapolis, Maryland, to install a manual transfer switch for a portable generator. Then Kevin, along with general contractor Tom Silva, landscape contractor Roger Cook and plumbing and heating expert Richard Trethewey, asks, "What is it?" Afterward, Richard heads to Dallas to fix a sewer line that is clogged with tree roots.



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