BICSI Certification BICSI Grounding and Bonding 2

Question 1

What is the recommended minimum thickness for a copper Telecommunications Grounding Busbar (TGB)?

Accepted Answer

1/4 inch (6 mm)

Answer

1/8 inch (3 mm)

Answer

1/2 inch (12 mm)

Answer

3/4 inch (19 mm)

Question 2

What is the purpose of intersystem bonding in a telecommunications installation?

Accepted Answer

To bond the grounding systems of different low-voltage systems (telecom, CATV, alarm) together

Answer

To connect multiple ISP feeds together for redundancy

Answer

To join fiber optic segments across buildings

Answer

To merge separate power distribution units

Question 3

When should metallic cable sheaths and conduits be bonded in a telecommunications pathway?

Accepted Answer

At both ends and at intermediate points as required

Answer

Only at the source end

Answer

Only at the destination end

Answer

Metallic sheaths should never be bonded

Question 4

What color insulation is most commonly used for grounding and bonding conductors in telecommunications installations?

Accepted Answer

Green or green with yellow stripe

Answer

Red

Answer

Blue

Answer

White

Question 5

What is an equipotential bonding network in a data center or telecommunications room?

Accepted Answer

A system of conductors that interconnects all metal parts to the same electrical potential

Answer

A network switch configured with identical IP addresses on all ports

Answer

A redundant power distribution topology

Answer

A fiber optic ring that eliminates ground loops

Question 6

According to BICSI guidelines, how should raised floor support pedestals be treated in a data center grounding system?

Accepted Answer

They should be bonded to the equipotential bonding network

Answer

They are not required to be bonded

Answer

They should be isolated from all grounding conductors

Answer

They should be connected only to the building structural steel

Question 7

What test instrument is used to measure the resistance of a grounding electrode system?

Accepted Answer

Earth ground resistance tester (fall-of-potential method)

Answer

Optical time-domain reflectometer (OTDR)

Answer

Digital multimeter set to AC voltage

Answer

Time-domain reflectometer (TDR)