Physics · Switchgear and Protection
An electromagnetic relay features three contacts designated as C, NC, and NO. What does this nomenclature stand for?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Common, No close, No open
- 2Common, Normally Closed, Normally Open✓
- 3Close, Normal close, Normal open
- 4Close, No close, No open
Correct answer
Common, Normally Closed, Normally Open
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