Electrical Abbreviations and Acronyms
- RMSroot mean square (preferred over "RMS")
- RMSRiser Monitoring System
- RMTRack de Mesure des Transformateurs
- RMURemoval Units
- RMUSRemoval Units
- RNRelease Notes
- RNCRigid Nonmetallic Conduit
- RNCRaster Navigational Chart
- RNRRomanian Maritime Register of Shipping
- RNSRelease Notes
- ROResidual Oil
- RO-RORoll On-Roll Off
- ROAReturn of Assets (finance)
- ROBRemain On Board
- ROCReactive Organic Compounds
- ROCTRotary Coring Tool
- ROEReturn of Equity (finance)
- ROFRRight of First Refusal (finance)
- ROGReactive Organic Gases
- ROIReturn On Investment
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