RCDD 12th Edition Chapter 9 Exam
2025 Questions and Answers
Standard for installation of lighting protection systems = - ANSWER✔✔-NFPA 780
Primary responsibility of the ITS designer is safeguarding = - ANSWER✔✔-Personal,
property, and equipment from foreign electrical voltages and currents
The results of such disturbances could be = - ANSWER✔✔-- Death or injury due to
electrical shock
- Destruction of electronic equip. and property due to electrical fire
- Component malfunction or degradation
- Work or process disruption
ITS designer must consider = - ANSWER✔✔-- Lighting
- Ground potential rise
-
Contact with electrical power circuits
, - Electromagnetic interface (EMI)
- Radio frequency interface (RFI)
- Electromagnetic compatibility (EMC)
ITS designers are not responsible for = - ANSWER✔✔-Engineering the portions of the
electrical system related to alternating current(AC) electrical ground faults, air terminal
lighting protection systems, or transient voltage surge protection
Best time to design a grounding protection scheme = - ANSWER✔✔-Initial planning
and construction
Bonding = - ANSWER✔✔-Two metallic items
ITS designer is typically responsible for = - ANSWER✔✔-Telecomm bonding and
grounding and the telecommunications circuit protectors
The ITS designer must recognize that three separate and distinct grounding systems
should be in place at every site = - ANSWER✔✔-- AC grounding electrode system
- Equipment grounding system
- Telecomm bonding infrastructure
ITS designer has no authority over = - ANSWER✔✔-The AC grounding electrode
system
2025 Questions and Answers
Standard for installation of lighting protection systems = - ANSWER✔✔-NFPA 780
Primary responsibility of the ITS designer is safeguarding = - ANSWER✔✔-Personal,
property, and equipment from foreign electrical voltages and currents
The results of such disturbances could be = - ANSWER✔✔-- Death or injury due to
electrical shock
- Destruction of electronic equip. and property due to electrical fire
- Component malfunction or degradation
- Work or process disruption
ITS designer must consider = - ANSWER✔✔-- Lighting
- Ground potential rise
-
Contact with electrical power circuits
, - Electromagnetic interface (EMI)
- Radio frequency interface (RFI)
- Electromagnetic compatibility (EMC)
ITS designers are not responsible for = - ANSWER✔✔-Engineering the portions of the
electrical system related to alternating current(AC) electrical ground faults, air terminal
lighting protection systems, or transient voltage surge protection
Best time to design a grounding protection scheme = - ANSWER✔✔-Initial planning
and construction
Bonding = - ANSWER✔✔-Two metallic items
ITS designer is typically responsible for = - ANSWER✔✔-Telecomm bonding and
grounding and the telecommunications circuit protectors
The ITS designer must recognize that three separate and distinct grounding systems
should be in place at every site = - ANSWER✔✔-- AC grounding electrode system
- Equipment grounding system
- Telecomm bonding infrastructure
ITS designer has no authority over = - ANSWER✔✔-The AC grounding electrode
system
