Whether it arrives overhead or underground, a neutral conductor originates as a center tap of the secondary winding of the utility transformer that supplies power to a 3-wire, single-phase …

Construction Phase Inspection: For new construction or renovation projects, document the foundation drainage system before backfilling occurs. This represents a critical opportunity to …

The minimum clearance from combustible materials is generally 3 inches. Type L vents should not be used to vent coal- or wood-fired appliances. It may be difficult to tell the difference between …

According to the Electrical portion of InterNACHI’s Home Inspection Standards of Practice, Section 3.7, “An inspector shall inspect all ground-fault circuit interrupter receptacles and …

A properly functioning TPR valve will eject a powerful jet of hot water from the discharge pipe when fully activated, not a gentle leak. A leaky TPR valve is an indication that it needs to be …

TPREIA-InterNACHI® is offering different track options this year. Please note that the 8-hour tracks follow a different break schedule than the 2-hour tracks. Tracks 1 & 2 are 8-hour …

Rebar in concrete footings functions as a skeletal framework, providing strength and structural integrity to the foundation, much like bones give strength to the body, allowing it to bear loads …

General The objectives in designing a building’s lateral resistance to wind and earthquake forces are: to provide a system of shear walls, diaphragms, and interconnections to transfer lateral …

What Every Homeowner Should Know About the Electrical System in Their Home Primary components are the service entry, service panel, and branch circuits. In unaltered buildings …

InterNACHI: Int'l Association of Certified Home Inspectors