Answers (Verified And Updated)
L Rating
A firestops ability to provide a smoke stop. (air leakage rate)
To avoid damaging cable jacket, how often must you securely fasten electrical nonmetallic tubing
(ENT)
3 Feet so it does not damage the cable
What is the minimum dedicated power requirement of a telecommunications enclosure
120 V ac/20
The clearance behind the PBB when mounted, should be no less than-
2inch clearance behind the PBB when mounted
When installing a plywood backboard, you should use galvanized screws that are a minimum of
______ longer than the depth of the wall covering, including the plywood
0.5in
The use of under carpet telecommunications cable should be limited to:
The interconnection point between horizontal cabling and UTC is a transition point (TP)
Two 90-degree bends are allowed in any one conduit segment. A third bend may be acceptable under
certain situations
Runs under 33 feet
When installing racks and cabinets on an access floor, what should they be secured to?
The frame
When placing cabinets on an access floor, how should the cabinets be aligned?
One edge flush with the floor tile cut line
What is a telecommunications enclosure TE used for?
May be used to provide a suitable option for moves, adds, and changes without compromising
infection control measures and other restrictions
What size threaded rod would you typically use in a heavy duty ladder rack installation?
5/8in
A supplemental bonding network within an ER or data center consisting of a set of conductors formed
into a grid is often associated with what?
Access flooring
Which type of anchor requires a hole to be drilled into the floor where the attachment is to be made?
, Expansion anchors
Min seperation from electric motors and transformers?
48"
During which phase of the project would you determine cable labeling requirements?
Pre-construction Phase
What type of documentation uses the original floor plans and reflects the actual installed outlet
locations, cables, length, and firestopping materials?
Record drawings
Which project document is used to request clarification, supplemental information, or approval of
material substitutions?
RFI
Comparing design documents to existing conditions, verifying parking access, and determining the
work hours are all examples of what you would learn during
A job start
T1
Layout of complete building per floor; serving zone boundaries, backbone distribution systems, and
horizontal pathways
T0
Campus or site plans; exterior pathways and interbuilding systems
T3
Communication equipment rooms; outlet/connector locations and cable ID
T4
Typical detail drawings; faceplate labeling; firestopping; disability/accessibility, guidelines, and safety
T5
Schedules- cabling and equipment spreadsheets for cutovers
The top of an extension ladder should extend up to the work area and _________ feet above
catworlks or lofts
3 feet
Which document lists all the elements of a project including people and firms involved, time frames,
materials, and testing methods?
Scope of work