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A pathway shall be designated as Class D when it has fail-safe operation, where no fault is annunciated, but the intended operation is performed in the event of a pathway failure.

Related Code Sections

12.3.4* Circuits and Pathways, Class D
A pathway shall be designated as Class D when it has fail-safe operation, where no fault is annunciated, but the intended operation is performed ...
12.3.4* Circuits and Pathways, Class D
A pathway shall be designated as Class D when it has fail-safe operation, where no fault is annunciated, but the intended operation is performed ...
603.2 Aquatic Recreation Facilities, Class D-2 Pools
Where a Class D-2 pool has a bather-accessible depth greater than 41/2 feet (1372 mm), the floor shall have a distinctive marking at the 41/2 feet ...
603.2 Aquatic Recreation Facilities, Class D-2 Pools
Where a Class D-2 pool has a bather-accessible depth greater than 41/2 feet (1372 mm), the floor shall have a distinctive marking at the 41/2 feet ...
603.2 Aquatic Recreation Facilities, Class D-2 Pools
Where a Class D-2 pool has a batheraccessible depth greater than 41/2 feet (1372 mm), the floor shall have a distinctive marking at the 41/2 feet ...