FIELD GUIDESource-led reference

Family terminology

Power connector names and aliases

Use these records for connector identification and documentation lookup. A matching shape is never evidence that voltage, current, polarity or safety requirements match.

58canonical connector forms
173alias entries
6documented shape labels
58engineering profiles

Canonical names and common aliases

Canonical connectorCommon names / abbreviationsShape labelEngineering
5.5 x 2.1 mm barrel connector: identification onlybarrel plug · DC jack · 5.5 2.1 · 5521roundEngineering reference →
IEC 60320 C13 cord connectorC13 · IEC C13 · computer power cord connectorrectangularEngineering reference →
IEC 60320 C14 appliance inletC14 · IEC C14 · computer power inletrectangularEngineering reference →
IEC 60320 C15 hot-condition cord connectorC15 · IEC C15 · hot condition connectorrectangularEngineering reference →
IEC 60320 C16 hot-condition appliance inletC16 · IEC C16 · hot condition inletrectangularEngineering reference →
IEC 60320 C19 cord connectorC19 · IEC C19 · high current IEC cord connectorrectangularEngineering reference →
IEC 60320 C20 appliance inletC20 · IEC C20 · high current IEC inletrectangularEngineering reference →
NEMA 5-15P plug5-15P · NEMA 5-15 plug · US grounded plugbladeEngineering reference →
NEMA 5-15R receptacle5-15R · NEMA 5-15 receptacle · US grounded outletslotEngineering reference →
NEMA 5-20P plug5-20P · NEMA 5-20 plug · 20 amp plugbladeEngineering reference →
NEMA 5-20R receptacle5-20R · NEMA 5-20 receptacle · T-slot outletslotEngineering reference →
IEC 60320 C5 cord connectorC5 · IEC C5 · cloverleaf power connectorkeyedEngineering reference →
IEC 60320 C6 appliance inletC6 · IEC C6 · cloverleaf appliance inletkeyedEngineering reference →
IEC 60320 C7 cord connectorC7 · IEC C7 · figure-8 power connectorovalEngineering reference →
IEC 60320 C8 appliance inletC8 · IEC C8 · figure-8 appliance inletovalEngineering reference →
IEC 60320 C17 cord connectorC17 · IEC C17rectangularEngineering reference →
IEC 60320 C18 appliance inletC18 · IEC C18rectangularEngineering reference →
NEMA L5-20P locking plugL5-20P · NEMA L5-20P · 20A 125V Twist-Lock plugroundEngineering reference →
NEMA L5-20R locking receptacleL5-20R · NEMA L5-20R · 20A 125V Twist-Lock receptacleroundEngineering reference →
NEMA L6-20P locking plugL6-20P · NEMA L6-20P · 20A 250V Twist-Lock plugroundEngineering reference →
NEMA L6-20R locking receptacleL6-20R · NEMA L6-20R · 20A 250V Twist-Lock receptacleroundEngineering reference →
M12 L-coded 5-position power connectorM12 L-coded · M12 L code · 5-pin M12 power · M12 power L-codedroundEngineering reference →
M12 S-coded 3-position power connectorM12 S-coded 3-pin · M12 S code 3-position · 3-position M12 S powerroundEngineering reference →
M12 S-coded 4-position power connectorM12 S-coded 4-pin · M12 S code 4-position · 4-position M12 S powerroundEngineering reference →
M12 T-coded 4-position DC power connectorM12 T-coded · M12 T code · 4-position M12 T powerroundEngineering reference →
M12 K-coded 5-position power connectorM12 K-coded · M12 K code · 5-position M12 K powerroundEngineering reference →
M12 M-coded 6-position power connectorM12 M-coded · M12 M code · 6-position M12 M powerroundEngineering reference →
NEMA 1-15P plugNEMA 1-15P · 1-15P · two-prong polarized plugbladeEngineering reference →
NEMA 1-15R connectorNEMA 1-15R · 1-15R · two-slot polarized connectorslotEngineering reference →
NEMA 6-15P plugNEMA 6-15P · 6-15P · 250 V 15 A plugbladeEngineering reference →
NEMA 6-15R receptacleNEMA 6-15R · 6-15R · 250 V 15 A receptacleslotEngineering reference →
NEMA 6-20P plugNEMA 6-20P · 6-20P · 250 V 20 A plugbladeEngineering reference →
NEMA 6-20R receptacleNEMA 6-20R · 6-20R · 250 V 20 A receptacleslotEngineering reference →
NEMA 14-30P plugNEMA 14-30P · 14-30P · 30 A 125/250 V plugbladeEngineering reference →
NEMA 14-30R receptacleNEMA 14-30R · 14-30R · 30 A 125/250 V receptacleslotEngineering reference →
NEMA 14-50P plugNEMA 14-50P · 14-50P · 50 A 125/250 V plugbladeEngineering reference →
NEMA 14-50R receptacleNEMA 14-50R · 14-50R · 50 A 125/250 V receptacleslotEngineering reference →
NEMA TT-30P RV plugNEMA TT-30P · TT-30P · RV 30 amp plugbladeEngineering reference →
NEMA TT-30R RV receptacleNEMA TT-30R · TT-30R · RV 30 amp receptacleslotEngineering reference →
NEMA L14-20P locking plugNEMA L14-20P · L14-20P · 20 A 125/250 V locking plugroundEngineering reference →
NEMA L14-20R locking connectorNEMA L14-20R · L14-20R · 20 A 125/250 V locking connectorroundEngineering reference →
NEMA L14-30P locking plugNEMA L14-30P · L14-30P · 30 A 125/250 V locking plugroundEngineering reference →
NEMA L14-30R locking connectorNEMA L14-30R · L14-30R · 30 A 125/250 V locking connectorroundEngineering reference →
NEMA 10-30P plugNEMA 10-30P · 10-30P · legacy 30 A non-grounding plugbladeEngineering reference →
NEMA 10-30R receptacleNEMA 10-30R · 10-30R · legacy 30 A non-grounding receptacleslotEngineering reference →
NEMA 10-50P plugNEMA 10-50P · 10-50P · legacy 50 A non-grounding plugbladeEngineering reference →
NEMA 10-50R receptacleNEMA 10-50R · 10-50R · legacy 50 A non-grounding receptacleslotEngineering reference →
IEC 60320 C1 cord connectorC1 · IEC C1 · razor connectorrectangularEngineering reference →
IEC 60320 C2 appliance inletC2 · IEC C2 · razor inletrectangularEngineering reference →
IEC 60320 C9 cord connectorC9 · IEC C9rectangularEngineering reference →
IEC 60320 C10 appliance inletC10 · IEC C10rectangularEngineering reference →
IEC 60320 C15A very-hot-condition cord connectorC15A · IEC C15A · very hot condition connectorrectangularEngineering reference →
IEC 60320 C16A very-hot-condition appliance inletC16A · IEC C16A · very hot condition inletrectangularEngineering reference →
IEC 60320 C21 very-hot-condition cord connectorC21 · IEC C21 · very hot condition connectorrectangularEngineering reference →
IEC 60320 C22 very-hot-condition appliance inletC22 · IEC C22 · very hot condition inletrectangularEngineering reference →
IEC 60320 C23 cord connectorC23 · IEC C23 · Class II C23rectangularEngineering reference →
IEC 60320 C24 appliance inletC24 · IEC C24 · Class II C24rectangularEngineering reference →
5.5 x 2.5 mm barrel connector: identification only5.5 2.5 · 5525 · 5.5mm 2.5mm DC plug · 2.5 mm barrel boreroundEngineering reference →

Aliases shared inside this family

These normalized aliases map to more than one represented record and therefore need another identifying feature.

Related comparison paths

Open the full Power family reference →

Common searches routed here

Discovery is not a compatibility verdict.

These discovery surfaces route and reorganize facts already represented in the atlas. They do not add electrical ratings, universal pinouts, measured tolerances, exact-device support, wiring approval or an end-to-end compatibility result.