Vdv
A punchdown tool
20 ) ? is / are used to terminate copper cabling onto many types of termination and connection hardware .
increases the speed of making terminations and provides a consistent , repeatable result
21 ) The insulation displacement process with a punchdown tool ?
Cable Loss report
22 ) A ( n ) ? report is an analytical tool that can be created by certain types of test instruments and is usually generated by a VDV technician to certify all of the fibers in a specific cable.
Subtraction
23 ) With an optical attenuation test set , a simple ? of the two power levels indicates how much signal loss (attenuation ) occurs in the fiber tested .
glow rod
24 ) A ? is a semi rigid rod that is used to move a cable through a space that cannot be reached .
Fiber optic Fusion splicer
25 ) A ( n ) ? is a tool used to weld the ends of two strands of fiber into a single length using an electrical arc to melt the ends of the strands .
110 type cross connect
26 ) A ? is a compact connecting device that can be arranged for use with either jumper wires or patch cords.
100 meters or 300 '
27 ) According to ANSI / TIA - 568 , the maximum length for a horizontal cabling run is ? and includes the patch cords on both ends of the run
a higher material cost
28 ) Substituting a higher rated cable for a lower rated cable may have ? .
both wires experience exactly the same shape and volume of external noise
29 ) The tightly twisted wire pair ensures that ?
All
3 ) ? chemical products are required t have an SDS .
unshielded twisted - pair cable is more commonly used than shielded twisted - pair cable .
30 ) For reasons of cost and cable space requirements , ? .
Part of a standard , such as one of those regulated by the ANSI
31 ) Typically the symbols used on VDV prints are ? .
abbreviations and symbols
32 ) The ? are used throughout the prints and provide a clear and concise method to convey information without cluttering the diagrams.
light fixture and switch locations
33 ) Unlike a commercial power floor plan , a residential floor plan includes information about ? .
may be necessary if a floor is extremely large
34 ) More than one VDV floor plan ? .
decreases installation time and helps with cable identification
35 ) The hybrid cable combining of two UTP and two coaxial cables under a common insulation jacket ?
multistory , single - family residences
36 ) Riser diagrams are not required for ?
569
37 ) ANSI / TIA- ? Commercial Building Standard for Telecommunications Pathways and Spaces provides design information for commercial buildings.
607
38 ) ANSI / TIA- ?, Commercial Building Grounding and Bonding Requirements Telecommunications , provides design information related to grounding and bonding telecommunications infrastructure in commercial buildings
Telecomunications Industry Association
39 ) The ? is an international trade group that represents several hundred telecommunications companies
CLASS E
4 ) Class ? helmets are used for utility applications and provide high - voltage protection
9
40 ) The NEC is comprised of ? chapters in addition to the introduction and annex sections .
820
41 ) Article ? provides the requirements for coaxial cable that distributes radio frequency .
wires should be labeled
42 ) The NEC emphasizes professional installations in which ? .
AHJ
43 ) A ( n ) ? is a person who has the delegated authority to determine , mandate and enforce code requirements established by jurisdictional governing bodies .
6
44 ) Each section of every MasterFormat division has a ? -digit reference number representing three levels of detail
transient
45 ) A ( n ) ? voltage is a temporary , unwanted voltage in an electrical circuit
Conducter grounding electrode
46 ) A ? system is a system of all the grounding conductors in a building or structure that are bonded together .
Part III of Article 800
47 ) ? of the NEC , Protection , covers the use and installation of primary protectors for entrance communication cables .
fire stopping
47 is the process of seating any penetration in a fire - rated building element in order to maintain its rating .
250
48 ) Article ? of the NEC , Grounding and Bonding , is the primary article that covers grounding and bonding that are necessary for a safe installation
Lime
5 ) Typical colors for high - visibility clothing include highly visible shades yellow or ?
green
50 ) A backbone bonding conductor ( BBC ) must be ? or marked with a distinctive shade of that color .
6 AWG
51 ) An intersystem bonding termination may be mounted at the service enclosure , the enclosure for building disconnecting means , or the meter enclosure and connected to the metallic enclosure or the grounding electrode conductor with a minimum ? copper conductor .
bonding conductor or GEC
52 ) The first section of Part IV of Article 800 , Grounding Methods , covers the ? .
primary bonding busbar ( PBB )
53 ) A ? is a busbar that serves as the central connection point between the grounding electrode system for a building's electrical service and the grounding and bonding system for telecommunications .
Satellite television
55 ) RG - 6 coaxial cable is used for present - day cable television ( CATV ) and ? installations .
on every floor
56 ) A TR is required ? of a multi story building .
red
57 ) The tip colors in 4 - pair twisted cables are white for pairs 1-5 , ? for pairs 6-10 , black for pairs 11-15 , yellow for pairs 16-20 , and violet for pairs 21-25 .
ring
58 ) A ? conductor is the second wire in a pair of wires .
110
59 ) The majority of new installations use ? IDC termination devices for voice and data .
2' to 20¹
6 ) Stepladders range in size from ? to ? feet .
2
60 ) There are ? general categories of penetrations .
BNC - type
61 ) ? connectors are used for video applications , such as those for security and surveillance .
1/8
62 ) When terminating an F - type connector , the center conductor should be approximately ? above the threaded collar of the connector.
negative
7 ) When materials rub together , the friction between them often creates a buildup of static electricity , or a ? charge , in one of the materials neutral
decibels
8 ) Noise intensity expressed in ? .
increases as the hazard level increases
9 ) The length of an SDS , or the number of pages , ? .
Туре ΙΑΑ
2 ) A Type ? ladder duty rating is for extra heavy - duty , industrial , 375 pound capacity ladders
Safety barriers
1 ) ? is / are often used to prevent personnel from entering an area where potential hazards exist .
Security Systems
10 ) ? systems fall into two categories ; surveillance systems and access control systems
purpose of the installation
11 ) The difference between an electrician and a VDV installer is primarily in the ?
The Telecommunications Industry Association ( TIA
12 ) ? publishes standards that provide the most widely accepted guidance for proper installation and operation of cabling systems, most commonly cited in the United States.
Audio visual
13 ) A ( n ) ? system is a network of hardwired or wireless video monitors that transmit sound and video , usually for presentations to large groups of people located in a common area.
10 Gbps
14 ) In the last 20 years , common network speeds have gone from 1 megabit per second to ?
video content analytics VCA
15 ) A VDV system can use ? to analyze video input and perform a function , such as sound an alarm , when a change is detected.
CAT 5e
16 ) WAPs are easily installed with Cat ? or better cables .
original equipment manufacturers OEMs
17 ) As the need for BICs increased , an organization known as Building Industry Consulting Service International ( BICSI ) was created in 1977 to bring ? , designers , installers , and distributors together to help standardize design practices
Back bone
18 ) ? cabling is telecommunications cabling and hardware that runs from a telecommunications closet , or intermediate distribution frame ( IDF ) , to a main distribution frame ( MDF ) or to another telecommunications room
all of the above
19 ) When planning a r y cabling system , cable paths are chosen to include ? .
1994
Alliance ( EIA ) initially published a 49 ) The Telecommunications Grounding and Bonding Requirements of Telecommunications standard for grounding and bonding of telecommunication systems in ? , titled Industry Association ( TIA ) and the Electronic Industries TIA / EIA - 607 , Commercial Building