| Acronym | Definition |
|---|
| RCCB➣Residual Current Circuit Breaker |
| RCCB➣Remote Control Circuit Breaker |
| RCCB➣Radiology Coding Certification Board |
| RCCB➣Russell Community Concert Band (Canada) |
| RCCB➣Reno Carson City Bowlers (Nevada) |
| RCCB➣River City Concert Band (Sacramento, CA) |
| RCCB➣Regional Configuration Control Board |
| RCCB➣Reverse Current Circuit Breaker |
| RCCB➣Robertson County Community Band (Springfield, TN) |
| RCCB➣Rome Community Concert Band (Rome, NY) |
| RCCB➣Rockland County Concert Band (Garnerville, NY) |
| RCCB➣River Cities Concert Band (Kentuckiana) |