Cementitious materials are ________ based materials.
You are designing the cabling infrastructure for a lab office building that will frequently change tenants. The owner will be responsible for all of the infrastructure that feeds each floor to include the telecommunication rooms. Which firestop method will best suit the owners needs?
Firestop ________, in conjunction with steel wedging plates, go in a steel cable tray.
You are designing a firestop system for a boiler room that will have conduits coming from the service provider maintenance hole into the building. Which test rating will address the firestops ability to resist breakdown from water damage?
Which of the following is a nonmechanical firestop system?
The MINIMUM finished height of access flooring in a general office area is:
In the ceiling zone method of distribution, the usable floor area should be divided into zones each measuring:
Using the "pathway design" for horizontal cable distribution, how many cable runs are placed to serve 15 individual?
An existing ceiling raceway system has 115,000 sq mm (177 sq in) of cross-sectional area available for distribution of cable runs. How many can be served by the existing system?
Cables are installed in a ceiling in a straight line. The ceiling run is 60 m (200 ft) in length. What is the MINIMUM number of J-hooks required to support the cables?
