Exam NETA_2 Topic 1 Question 74 Discussion

Actual exam question for NETA's NETA_2 exam
Question #: 74
Topic #: 1
What is theminimum oxygen concentrationallowed before entering a transformer or similar enclosed electrical space?

Suggested Answer: B Vote an answer

An oxygen concentration of11.5%represents a dangerous condition that can rapidly impair physical and cognitive function. NETA safety guidance requires oxygen levels to be verified before entry into confined or enclosed spaces such as transformers. Entry below safe oxygen thresholds requires specialized respiratory protection and controls.

by Oswald at Aug 18, 2026, 10:57 AM

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