Understanding electrical exam question and code article terminology is essential to passing the electrical exam. Since often exam questions have very similar answer choices, it is important pay careful attention to even slight differences among possible multiple choice to answer exam questions correctly. 
Can you answer the following question with ease?
Question:
Access to electrical equipment________denied by an accumulation of communications wires and cables that prevents removal of panels, including suspended ceiling panels.
Refer to NFPA 800.21 Access to Electrical Equipment Behind Panels Designed to Allow Access.
This code states that access to electrical equipment shall not be denied by an accumulation of communications wires and cables that prevents removal of panels, including suspended ceiling panels. The term shall not be represents a definitive prohibition as opposed to the term may not be which could suggest a possibility of a choice.
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