Connectors should be used to connect an appliance and equipment to the vertical chimney or vent, except were the chimney or vent is...

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Hot water is defined as water of a temperature of 110° F (43° C) or hotter. Tempered water ranges from 85° F to 110° F (29° C to 43° C),...

Crawlspaces Access openings must be a minimum of 18 inches high by 24 inches wide. Access to all under-floor spaces must be provided with...

Hydrostatic pressure refers to the pressures caused by water pushing against slabs and foundations, particularly underground concrete...

The weight and pressure of the dry soil may affect and crack a foundation. There is wet soil that can exert a force against a foundation....

Collar Ties Collar ties span between and connect opposing rafters, and they are typically placed in the top third of the attic spaces. ...

A crack that forms a V-shape may indicate heaving. The illustration above shows a V-shape open crack in a foundation wall indicating...

A brick wall is not necessarily considered to be waterproof. Water can penetrate through a masonry crack that is hairline or as small as...

nearby vegetation The inspector is required to report vegetation growing near the home according to the Home Inspection Standards of...

steep slope The home inspector should note if a home is on a steep slope and, therefore, subject to erosion or movement. The maximum...

Common Structural Terms In this section of the course, let's learn about some common terms or phrases that are used in the construction...

What's an Arc Flash? An arc flash occurs when a flashover of electric current leaves its intended path and travels through the air from...

All electrical systems require a means of disconnection so that the service can be shut down quickly if any dangerous conditions exist....

How to on gutters what to look for