RCDD · Question #114
As a guide, the recommended maximum AC current value on any bonding conductor should be less than ________ amperes.
The correct answer is B. 1. This question tests knowledge of the recommended maximum AC current limit on bonding conductors as defined by telecommunications grounding standards.
Question
As a guide, the recommended maximum AC current value on any bonding conductor should be less than ________ amperes.
Options
- A0.50
- B1
- C5
- D10
- E20
How the community answered
(20 responses)- A5% (1)
- B75% (15)
- D15% (3)
- E5% (1)
Why each option
This question tests knowledge of the recommended maximum AC current limit on bonding conductors as defined by telecommunications grounding standards.
0.50 amperes is lower than the accepted guideline threshold and does not match the standard recommended maximum value.
Industry guidelines recommend that AC current on any bonding conductor be kept below 1 ampere - currents at or above this threshold indicate a wiring fault, improper grounding configuration, or shared neutral current that must be corrected to prevent safety hazards and electromagnetic interference. This threshold serves as a diagnostic indicator of a properly functioning grounding system.
5 amperes is significantly higher than the recommended limit and would represent a grounding system fault condition, not an acceptable operating level.
10 amperes far exceeds the recommended limit and would indicate a serious grounding or wiring deficiency.
20 amperes is well above acceptable levels and would represent a dangerous fault condition on a bonding conductor.
Concept tested: Maximum AC current threshold on bonding conductors
Source: https://www.tiaonline.org/standards/tia-607-c/
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