Vdv test
The type three latter is rated at?
200lbs
A type two latter is rated at
225lbs
What article in the NEC provides requirements for grounding and bonding?
250
A type one ladder is rated at?
250lbs
a type IAA ladder is rated at?
375lbs
The...... Was the original phone block
66
Symbols used on a blueprint or generally standardized. What standard is commonly used for VDV blueprints?
ANSI
What is used throughout the print as a clear and concise method to convey information without cluttering The drawing?
Abbreviations and symbols
What is a grounding electrode system?
All theGrounding conductor's in a building that are bonded together
What is the purpose of the ANSI/TIA -607 standard?
Design info related to grounding and bonding telecom infrastructure in commercial buildings
Why is it so critical to have a protective dust cap install over the ferruleFor all optic cable and is not being used?
Dust
How many pairs are typically found in common horizontal cables?
Four
What is the definition of cord?
From wall to device... Anywhere from 3 feet to 12 feet
Define "cable"
Two or more conductors with protective cover
Step ladders range in height from...
Two to 20feet
In reference to copper cabling, what is the most common type of cable being installed, this cable has multiple performance categories
UTP... Twisted pair
What is the voltage potential of the earth?
Zero
List for safety regulations that Vdv technicians must comply with
1. Federal ...... State...... Local...... Jobsite
When terminating an F type of connector, How far above the thread color of the connector should the center connector go?
1/8 of an inch
The practical speed limit for fiber optic cable is what?
10 GBPS
For new installations, would one want to use a 66 or 110 punch down termination block?
110
What article does 820 of the NEC cover?
CA TV and radio... Coaxial cable that distributes radio frequency
Why isn't sheilded twisted pair cable more commonly used over unsheilded twisted pair?
Cheaper... And often shielding is not needed
Define grounding electrode
Conductive metal object used to establish connection from electrical circuit to earth
What are two types of standard VDV cabling?
Copper and fiber
Voltage levels
Copper based communication systems use what to transmit signals?
The BICSI... Building industry consulting service, was created to bring what organizations together to create standardized installation and design practices?
Installers, OEM, designers, Distributors
What section of a print describes or explains symbols and information in a print?
Legend
What are the two elements of a certification tester?
Main and Remote
What is a video fiber inspection scope?
Most commonInstrument used to inspect fiber
How many chapters of the NEC are there?
Nine
Can wiremap testers be used for testing active data circuits?
No
Why is proper grounding and bonding critical for VDV systems?
No potential difference between components of the vDV systems
What are the most common colors for hy viz ability clothing
Orange,Lime, Yellow
List for items that might be found on a floor plan
Partitions... Elevators... Doors... Stairs
What type of link are certification tests most commonly performed?
Permanently
What is the purpose of the TIAA... Telecommunications industry Association?
Publish standards for cabling systems
What is the purpose of a glow rod?
Pull wire
What diagram is most often utilized for an overview of the back bone cabling?
Riser
RG six is used for present day cable television and what other type of installation?
Satellite
What is the purpose of the insulation displacement process?
Save time
Photo diode
Semiconductor that detects light and converts into electrical signals
What type of building would not require riser diagrams?
Single-family residence... Multi story
An intersystem bonding termination may be mounted at the service enclosure for building disconnecting means, or the meter inclosure and connected to the metallic enclosure or grounding electrode conductor with a minimum ( ?) AWG copper conductor
Six
What is the main consideration in selecting conductors for a VDV installation?
Speed
What gives fiber optic cable it's pulling strength?
Strength members(Made of a aaramid yarn)
The ...... Is an international trade group that represent several telecommunications companies
TIA
LED
The least expensive type of fiber optic transmitter used with multi mode fiber optic cable is generally what type of light signal?
Cross talk
The measure of signal interference at the transmit end of a twisted pair cable from a transmit power to an adjacent pair as measured at the far end of the cable
Near and Crøss Talk... Or NEXT
TheMeasure of the amount of signal interference from one pair into the pair next to it from the same cable
What is a tip and ring conductor?
Tip is the firstConductor, ring is the second
What is the primary purpose for safety barriers
To prevent personnel from entering
What are the two most common types of verification testers?
Tone or wire map
