Power Plant Abbreviations and Acronyms

1. NH
   Nitrogen
2. NH3
   Ammonia
3. NHI
   Net Heat Input
4. NL
   Neutral
5. NL
   Normal
6. NL
   Noload
7. NML
   Normal
8. NO
   Nitrogen Oxides
9. NO
   Normally Open
10. NOL
    Normal Oil Level
11. NOM
    Nominal
12. NOM
    Normal
13. NOR
    Normal
14. NOR
    Not Or
15. NORM
    Normal
16. NOT RDY
    Not Ready
17. NOX
    Nitrogen Oxides
18. NP
    Not Permitted
19. NR
    Not Applicable
20. NR
    Normal

Last updated: May 6, 2025 — Total entries: 2,453