Electrical Abbreviations and Acronyms

  1. N.S.O.P.
    Not Shown On Plan
  2. bbl/cd
    Barrels Per Calendar Day
  3. AIR COND
    Air Conditioning
  4. INTLK
    Interlock
  5. N/0
    Normally Open
  6. RM/MS&C
    Control
  7. BOT P
    Bottom of Pipe
  8. CKT BRKR
    Circuit Breaker
  9. DEG C
    Degrees Celsius
  10. EXH FN
    Exhaust Fan
  11. F METER
    Flowmeter
  12. INV EL
    Invert Elevation
  13. C VALUE
    thermal conductance
  14. NAMX
    New York Mercantile Exchange
  15. A.G.A
    American Gas Association
  16. P&IDs
    Piping and Instrument Diagrams
  17. USVs
    Underwater Safety Valves
  18. r-f
    Radio Frequency
  19. A.B.S.
    American Bureau of Shipping
  20. ACHX
    Air-Cooled Heat Exchanger

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