RCDD · Question #113
Certain systems must exist relative to bonding and grounding at every site. Which of the following is NOT one such system?
The correct answer is C. Lightning protection system. This question tests knowledge of the mandatory bonding and grounding systems required at every telecommunications site, identifying which system is supplementary rather than universally required.
Question
Certain systems must exist relative to bonding and grounding at every site. Which of the following is NOT one such system?
Options
- AAC grounding electrode system (e.g., in some countries it may also be known as the earthing system)
- BTelecommunications bonding infrastructure
- CLightning protection system
- DEquipment grounding system (e.g., in some countries it may also be known as the equipment bonding
How the community answered
(20 responses)- A5% (1)
- B5% (1)
- C80% (16)
- D10% (2)
Why each option
This question tests knowledge of the mandatory bonding and grounding systems required at every telecommunications site, identifying which system is supplementary rather than universally required.
The AC grounding electrode system (earthing system) is a required foundational system at every site, establishing the earth reference to which all other grounding systems connect.
Telecommunications bonding infrastructure is a mandatory system that interconnects all metallic telecommunications components to a common ground reference, and is required at every site.
Lightning protection systems are not universally mandated at every site - they are supplementary infrastructure whose requirement depends on geographic location, local codes, and environmental risk factors such as lightning strike frequency. Unlike the other three systems, a lightning protection system is installed when warranted by risk assessment, not as a baseline requirement at all sites.
The equipment grounding system (equipment bonding conductor) is a universally required system that protects personnel and equipment from fault currents at every installation.
Concept tested: Required vs. supplementary grounding and bonding systems
Source: https://www.tiaonline.org/standards/tia-607-c/
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