Bicsi Installer 2 Copper Chapter 4 Bonding, Grounding (Earthing), And Electrical Protection

Front 1

What does NFPA stand for?

Back 1

National Fire Protection Association 4-1

Front 2

What does stand for ANSI?

Back 2

American National Standards Institute 4-1

Front 3

What does stand for IEEE?

Back 3

Institute of Electrical and Electronics Engineers, INC. 4-1

Front 4

______ is the connection intended to safely and effectively equalize the potential differences between two metallic items.

Back 4

Bonding 4-2

Front 5

A primary responsibility of the ITS installer is ___________.

Back 5

safeguarding personnel, property, and equipment from foreign electrical voltages and currents.

Front 6

What do they mean by foreign electrical voltages?

Back 6

To electrical voltages or currents that normally are not carried by or expected in the telecommunications distribution systems. 4-2

Front 7

The most common electrical shock occurs from ___________.

Back 7

inadvertent contact with energized devices or circuits. 4-2

Front 8

Until verified, always assume that equipment is _________.

Back 8

energized. 4-2

Front 9

ITS installers are not responsible for engineering the portions of __________.

Back 9

the electrical systems related to ac electrical ground faults, structural lighting protection systems or surge protective devices. 4-4

Front 10

ITS installers must incorporate effective ___________.

Back 10

bonding, grounding and installation procedures for a building or structure that has been in place for years. 4-4

Front 11

If the ITS installer finds a conflict among local safety code, BICSI guidelines and the manufacturer's requirements _________.

Back 11

the conflict should be resolved with the authority having jurisdiction and the manufacturer';s installation guidelines before proceeding. 4-4

Front 12

The ITS installer must recognize that three distinct grounding systems:

Back 12

AC grounding electrode system

Equipment grounding system

Telecommunications bonding infrastructure 4-5

Front 13

The ITS installers are not responsible for __________.

Back 13

the ac grounding systems. 4-5

Front 14

The ITS installer should _____________________.

Back 14

identify the type of grounding electrode used for the building's ac electrical system for the purpose of ensuring an effective bonding connection for the grounding bus bars and telecommunications references points within the TRs. 4-5

Front 15

The ITS installer should ensure that _______.

Back 15

the bus bars within the telecommunications bonding infrastructure are bonded to the building's metal frame where they are readily available. 4-5

Front 16

Telecommunications personnel should not ________.

Back 16

move, modify, or disconnect any grounding electrode conductor with out the direct participation of a qualified electrical maintenance person. 4-5

Front 17

A supplemental bonding structure within an equipment room or data center is a __________, which is often associated with raised flooring.

Back 17

signal reference grid (SRG) 4-6

Front 18

A bonding conductor must be run between the __________.

Back 18

room's associated busbars and to at least two points within the SRG if a raised floor is used within an ER, TR, or data processing center. 4-6

Front 19

The overall purpose for the telecommunications bonding infrastructure is to _______________.

Back 19

equalize potentials between metallic surfaces predominantly in the event of lighting, ac electrical system faults, electromagnetic induction or electrostatic discharge. 4-7

Front 20

The ITS installers of the telecommunications infrastructure must ____________.

Back 20

examine the site and give practical consideration to a variety of options that are available to them. 4-7

Front 21

Bonding conductors are not designed to intentionally carry ac ground fault current or lighting strike current, they are installed so that ____________.

Back 21

voltages may be equalized when those events occur. 4-7

Front 22

In small ERs and entrance facilities, the bonding and grounding begins at the ______________, which must be referenced to the nearest approved grounding electrode.

Back 22

Telecommunications main grounding busbar (TMGB) 4-7

Front 23

___________ must have an effective bonding connection to the nearest approved building grounding electrode and the equipment grounding system.

Back 23

TGB and TMGB 4-10

Front 24

Provide a minimum of _________ clearance behind the busbar when mounted.

Back 24

51 millimeters ( 2 inches) 4-12

Front 25

____ is the grounding connection point for telecommunications systems and equipment in the area served by an ER or TR. And should be mounted providing minimum 51 mm (2 in) clearance.

Back 25

Telecommunications Grounding Busbar (TGB) 4-14

Front 26

A ___ is a copper conductor that inerconnects the TMGB or TGB.

Back 26

Telecommunications Bonding Backbone (TBB) 4-16

Front 27

A ____ is a minimum 6 American wire gauge insulated, stranded copper conductor intended to equalize potentials between TRs on the same floor of a structure.

Back 27

Grounding Equalizer 4-16

Front 28

_______ recommends that this connection be made on every third floor and the top floor of multistory structures.

Back 28

Telecommunication Industry Association (TIA) J-STD 607 4-16

Front 29

The ____ connects the TMGB/TGB to the equipment racks/cabinets.

Back 29

Telecommunications Equipment Bonding Conductor (TEBC) 4-17

Front 30

The TEBC shall be a continuous copper that is sized for a minimum ______ insulated, copper conductor.

Back 30

6 AWG 4-17

Front 31

Visual inspection can usually reveal problems such as:

Back 31

Loose connection

Corrosion

Physical damage

System modifications 4-21

Front 32

The recommended maximum value for the bonding resistance between these two points is _______.

Back 32

0.1 ohms (100 milliohms) 4-21

Front 33

Interbuilding cable runs of ____ or less, directly or in underground conduit.

Back 33

42.7 m (140 ft) 4-21

Front 34

Areas having an average of five or fewer thunderstorms day per year and earth resistivity of less than ________.

Back 34

100 ohmmeters 4-21

Front 35

Intended for application on exposed circuits and must be installed immediately adjacent to the exposed cable's points of entry.

Back 35

Primary Protectors 4-22, 4-23

Front 36

This type of protector protest against sneak current.

Back 36

Secondary Protectors 4-22

Front 37

Perform like a primary protection against lighting transients.

Back 37

Data and fire alarm protectors 4-22

Front 38

Do not locate primary protectors near ______

Back 38

any hazardous or easily ignitable material. 4-23

Front 39

The protector terminals will located up to _______ away from the electrodes.

Back 39

6.1 (20 ft) 4-23

Front 40

Two types of primary protectors are ____ and ____.

Back 40

fused (typical) and fuseless (legacy) 4-24

Front 41

What does ATIS stand for?

Back 41

Alliance for Telecommunications Industry Solutions 4-27