FIELD GUIDESource-led reference

Side by side

NEMA 6-15R versus 6-20R receptacles

Does the equipment documentation specify NEMA 6-15R or 6-20R?

Computer-generated illustration, not a photograph.
P274 · ConnectorNEMA 6-15R receptacle
Computer-generated illustration, not a photograph.
P276 · ConnectorNEMA 6-20R receptacle

How they differ

  • NEMA 6-15R receptacle Use the NEMA marking and exact device documentation; slot geometry alone is not an installation or interchangeability check.
  • NEMA 6-20R receptacle Confirm the NEMA designation and circuit documentation rather than treating a plausible slot match as approval to connect.

Then askDoes the equipment documentation specify NEMA 6-15R or 6-20R?

At a glance

Source-scoped form facts; counts, variants and unknowns are distinct
FieldNEMA 6-15R receptacleNEMA 6-20R receptacle
TypeConnectorConnector
FamilyPowerPower
Shapeslotslot
Nominal contacts3S303Source-backed nominal position/contact/conductor count for identification: 3. Not a wiring diagram or installation instruction.3S305Source-backed nominal position/contact/conductor count for identification: 3. Not a wiring diagram or installation instruction.
Positions / cavity spanNot recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
Contact rowsNot recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
Connector rolesocket (5661)S303Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. 5661. Documented role: socket. Manufacturer specification for named part only. No mating-face pin numbering, connector dimension or contact pitch inferred from wire acceptance ranges.socket (5461-CR)S305Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. 5461-CR. Documented role: socket. Manufacturer specification for named part only. No mating-face pin numbering, connector dimension or contact pitch inferred from wire acceptance ranges.
Key distinctionA familiar shell, blade or coding family does not establish voltage, current, wiring, grounding, mating or safe operation.A familiar shell, blade or coding family does not establish voltage, current, wiring, grounding, mating or safe operation.

Full evidence ledger and sources ↓

Illustrations are computer-generated with prior AI visual review; independent technical and rights review pending. A comparison is not a compatibility verdict.

This comparison stays within one evidence layer.

All selected records are Connector records. Similar layer does not mean compatible, interchangeable or safe to mate.

Families represented: Power

The reference ledger

Read the same question across.

2 selected records · 13 fields
No score. No compatibility verdict.

On a narrow screen, scroll the table sideways or open the field-by-field reading view below. Illustrations are not a size comparison.

Comparison of selected field notes; source links accompany each documented specification
What you are comparing
NEMA 6-15R receptacle — original, not-to-scale identification schematic; drawing review pending
P274 / ConnectorNEMA 6-15R receptacle

Identification schematic · not to scale · drawing review pending

NEMA 6-20R receptacle — original, not-to-scale identification schematic; drawing review pending
P276 / ConnectorNEMA 6-20R receptacle

Identification schematic · not to scale · drawing review pending

LayerConnectorConnector
Key distinctionA familiar shell, blade or coding family does not establish voltage, current, wiring, grounding, mating or safe operation.A familiar shell, blade or coding family does not establish voltage, current, wiring, grounding, mating or safe operation.
Nominal contacts3S303Source-backed nominal position/contact/conductor count for identification: 3. Not a wiring diagram or installation instruction.3S305Source-backed nominal position/contact/conductor count for identification: 3. Not a wiring diagram or installation instruction.
Positions / cavity spanNot recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
Populated contactsNot recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
Contact rowsNot recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
Contact pitchNot recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
Dimensions / axisNot recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
Connector rolesocket (5661)S303Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. 5661. Documented role: socket. Manufacturer specification for named part only. No mating-face pin numbering, connector dimension or contact pitch inferred from wire acceptance ranges.socket (5461-CR)S305Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. 5461-CR. Documented role: socket. Manufacturer specification for named part only. No mating-face pin numbering, connector dimension or contact pitch inferred from wire acceptance ranges.
Coupling / latchNot recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
Keying / polarizationNot recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
Documented identification3-position/contact/conductor recognition fact in the cited implementation.C274A3-position/contact/conductor recognition fact in the cited implementation.C276A
EvidenceC274A,C274B →
Independent review pending
C276A,C276B →
Independent review pending
Read field by field — no sideways scrolling

The same selected records, fields, values and source links as the table. Missing fields remain non-equivalent; no values are merged.

Layer

NEMA 6-15R receptacleP274 / Connector
Connector
NEMA 6-20R receptacleP276 / Connector
Connector

Key distinction

NEMA 6-15R receptacleP274 / Connector
A familiar shell, blade or coding family does not establish voltage, current, wiring, grounding, mating or safe operation.
NEMA 6-20R receptacleP276 / Connector
A familiar shell, blade or coding family does not establish voltage, current, wiring, grounding, mating or safe operation.

Nominal contacts

NEMA 6-15R receptacleP274 / Connector
3S303Source-backed nominal position/contact/conductor count for identification: 3. Not a wiring diagram or installation instruction.
NEMA 6-20R receptacleP276 / Connector
3S305Source-backed nominal position/contact/conductor count for identification: 3. Not a wiring diagram or installation instruction.

Positions / cavity span

NEMA 6-15R receptacleP274 / Connector
Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
NEMA 6-20R receptacleP276 / Connector
Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.

Populated contacts

NEMA 6-15R receptacleP274 / Connector
Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
NEMA 6-20R receptacleP276 / Connector
Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.

Contact rows

NEMA 6-15R receptacleP274 / Connector
Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
NEMA 6-20R receptacleP276 / Connector
Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.

Contact pitch

NEMA 6-15R receptacleP274 / Connector
Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
NEMA 6-20R receptacleP276 / Connector
Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.

Dimensions / axis

NEMA 6-15R receptacleP274 / Connector
Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
NEMA 6-20R receptacleP276 / Connector
Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.

Connector role

NEMA 6-15R receptacleP274 / Connector
socket (5661)S303Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. 5661. Documented role: socket. Manufacturer specification for named part only. No mating-face pin numbering, connector dimension or contact pitch inferred from wire acceptance ranges.
NEMA 6-20R receptacleP276 / Connector
socket (5461-CR)S305Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. 5461-CR. Documented role: socket. Manufacturer specification for named part only. No mating-face pin numbering, connector dimension or contact pitch inferred from wire acceptance ranges.

Coupling / latch

NEMA 6-15R receptacleP274 / Connector
Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
NEMA 6-20R receptacleP276 / Connector
Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.

Keying / polarization

NEMA 6-15R receptacleP274 / Connector
Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.
NEMA 6-20R receptacleP276 / Connector
Not recordedNot recorded in a normalized source-scoped field. Consult the exact part/revision; no value inferred from illustrations.

Documented identification

NEMA 6-15R receptacleP274 / Connector
3-position/contact/conductor recognition fact in the cited implementation.C274A
NEMA 6-20R receptacleP276 / Connector
3-position/contact/conductor recognition fact in the cited implementation.C276A

Evidence

NEMA 6-15R receptacleP274 / Connector
C274A,C274B →
Independent review pending
NEMA 6-20R receptacleP276 / Connector
C276A,C276B →
Independent review pending

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Evidence behind this page

Scope first. Source second. Approval separate.

2 linked sources · 4 scoped claims · 0 sources with inspection/access flags.

Page scope: Evidence behind the compared records; the editorial comparison still needs separate review.

Assessment 2026-10-22 · earliest scheduled source review 2027-01-04. This is a recorded-date assessment, not a live source check. Page-level independent review is not established by this panel.

Inspect 2 source scopes, access limits and dates

S303 · 5661 NEMA 6-15R receptacle

Leviton · Manufacturer / product-owner domain · inspected 2026-10-06 · due 2027-01-04

Within inspection window

Scoped support: Primary manufacturer identification reference for NEMA 6-15R receptacle: V47 normalizes the named connector designation and 3-position/contact/conductor context only.

Not established / limitations: Identification/reference scope only. V47 does not turn this source into a universal wiring map, installation approval, safe-use recommendation, fabrication drawing or end-to-end compatibility verdict.

Locator: Product description and Technical Information

S305 · 5461-CR NEMA 6-20R receptacle

Leviton · Manufacturer / product-owner domain · inspected 2026-10-06 · due 2027-01-04

Within inspection window

Scoped support: Primary manufacturer identification reference for NEMA 6-20R receptacle: V47 normalizes the named connector designation and 3-position/contact/conductor context only.

Not established / limitations: Identification/reference scope only. V47 does not turn this source into a universal wiring map, installation approval, safe-use recommendation, fabrication drawing or end-to-end compatibility verdict.

Locator: Product description and Technical Information

Trace 4 claims to their source records

C274A · P274

Leviton identifies 5661 as a NEMA 6-15R, 15 A, 250 V, 2-pole 3-wire grounding receptacle.

Claim scope: V47 identification fact only; the cited product establishes the named connector/configuration and narrow position/conductor context, not universal wiring, mating, installation safety or interchangeability.

Source links: S303 · Evidence trail → (private workspace)

C274B · P274

Exact source example 5661: construction: Single board/wall-mounted receptacle;2pole3wire self-grounding; thermoplastic nylon face and brass triple-wipe contacts. rating: 15 A250 V. Exact manufacturer part; construction, role and regional rating remain scoped. No physical compatibility, pin map or hardware validation is established.

Claim scope: Exact named component/family technical construction reference from the full current primary document; geometry, ratings and implementation limits do not transfer to other variants.

Source links: S303 · Evidence trail → (private workspace)

C276A · P276

Leviton identifies 5461-CR as a NEMA 6-20R, 20 A, 250 V, 2-pole 3-wire grounding receptacle.

Claim scope: V47 identification fact only; the cited product establishes the named connector/configuration and narrow position/conductor context, not universal wiring, mating, installation safety or interchangeability.

Source links: S305 · Evidence trail → (private workspace)

C276B · P276

Exact source example 5461-CR: construction: Narrow-body single receptacle;2pole3wire grounding; corrosion-resistant side-wired industrial version. rating: 20 A250 V. Exact manufacturer part; construction, role and regional rating remain scoped. No physical compatibility, pin map or hardware validation is established.

Claim scope: Exact named component/family technical construction reference from the full current primary document; geometry, ratings and implementation limits do not transfer to other variants.

Source links: S305 · Evidence trail → (private workspace)

Prepare this page for review → (private workspace)Read the evidence method →

Recorded evidence only. An inspection date, publisher label, source link or generated packet is not independent technical review, hardware testing, fabrication approval or a compatibility verdict.