Practice question
An arc blast in an electrical environment is primarily caused by which of the following?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Failure to properly execute a lock-out/tag-out procedure
- 2The explosive discharge of high electrical current through open air✓
- 3High-frequency radio emissions from inductive loads
- 4Poor physical contact between low-voltage insulated wires
Correct answer
The explosive discharge of high electrical current through open air
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