Understanding how to use Article 100 of NFPA 70 to answer definition related questions is an essential part of preparing to pass your electrical examination. Similar sounding terms can have very different meanings. Can you answer the following question with ease?
Question:
The connection between the grounded circuit conductor and the equipment grounding conductor at the service can best be described as which of the following:
A. Equipment Bonding Jumper
B. Bonding Conductor or Jumper 
C. Bonding Jumper System
D. Main Bonding Jumper
Solution:
D. Main Bonding Jumper
Tip: Whenever a question contains the phrase “can best be described as “ Article 100 in NFPA 70 is the logical place to begin looking for the answer. Think outside the box when answering these types of questions. Remember that the multiple choice answers can sometimes provide as much or more information than the question itself.
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