RCDD 12th Edition Chapter 9 2025/2026
Exam Questions with 100% Correct
Answers | Latest Update
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
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
1
, - 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
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
2
Exam Questions with 100% Correct
Answers | Latest Update
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
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
1
, - 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
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
2
