A dead end corridor has an exit in only one direction. Per the NCIDQ Building codes dead end corridors MUST NOT exceed 20’-0”.
NCIDQ Exam Glossary Terms - D
Important NCIDQ Glossary Terms to know for the IDFX, IDPX, and Practicum Exams.
dedicated circuit
A dedicated circuit is designed to make sure enough power is available for a specific appliance without overloading the system.
descriptive specification
This type of specification details requirements for a material or product, including methods of installation and fabrication, but does not include trade names.
diffusion
Unwanted sound that can’t be absorbed by using acoustic treatments can be scattered evenly back into the room using diffusion. This spreads the sound more evenly, maintaining a live, vivid quality.