Table
HVAC Nameplate Electrical Terms Table
HVAC Nameplate Electrical Terms Table lookup table with assumptions and boundary notes.
Scope
Nameplate terminology planning only. It does not size conductors, fuses, breakers, disconnects, feeders, or branch circuits.
Lookup table
Decode common HVAC equipment nameplate abbreviations such as MCA, MOCP, RLA, LRA, and FLA.
Scroll sideways to keep row labels aligned with hidden columns.
| Abbreviation | Meaning | Nameplate context | Boundary |
|---|---|---|---|
| MCA | Minimum Circuit Ampacity | Minimum conductor ampacity value shown on HVAC nameplates | Nameplate term only; conductor and circuit review are separate |
| MOCP | Maximum Overcurrent Protection | Maximum fuse or breaker value shown on HVAC nameplates | Nameplate term only; installed protection must follow equipment markings and applicable review |
| MOP | Maximum Overcurrent Protection | Alternate abbreviation for maximum overcurrent protection | Nameplate term only; use the exact equipment label |
| RLA | Rated Load Amps | Compressor rated load current lookup | Nameplate term only; compressor manufacturer data governs field application |
| LRA | Locked Rotor Amps | Motor or compressor locked-rotor current lookup | Nameplate term only; starting and protection review are separate |
| FLA | Full Load Amps | Fan or motor full-load current lookup | Nameplate term only; use the actual equipment label before estimating |
Notes
- Check table values for preliminary lookup and arithmetic checks only.
- Confirm equipment ratings, product markings, installation conditions, utility requirements, and the local authority requirements before design or field use.