FIELD GUIDESource-led reference

P023 / Audio / Connector

RCA connector

RCA connectors are used in multiple audio and video applications.

Also called phono RCA plug cinch

A matching RCA plug does not identify analog versus digital signaling.

Look for

Look for the central pin and surrounding contact shell. Jacket color is a contextual hint, not a complete description of the signal.

Claim inspection dates: 2026-10-01, 2026-10-07 · Independent review pending

Image inspection / P023

See the view. Check its scope.

2 registered views for this reference. Different part examples are not automatically mates; all remain not to scale and independently unapproved.

RCA / NF2C plug side view. Central contact within the outer contact structure. Plug body and cable entry are separate features. This is a named plug, not a universal socket drawing. No generic fit dimensions, polarity, impedance or assembly instructions. Not to scale. (private workspace)

P023 / Source-observed physical study

RCA / NF2C plug side view

Neutrik NF2C / ST-NF2C historical drawing

Side elevation with mating end to the left · Cable plug / cable end

Not to scale. Technical and rights review pending.

Inspect view & provenance (private workspace)

Other scoped views

Keep their component sides and part examples separate.

RCA connector: Smooth concentric push-fit phono shell. Cable-end plug exterior; qualitative side profile. Qualitative source-linked recognition study, not a pinout or a dimensional guide. (private workspace)

P023 / Inherited recognition study

RCA connector

RCA connector

Cable-end plug exterior; qualitative side profile · Cable plug / cable end

Not to scale. Technical and rights review pending.

Inspect view & provenance (private workspace)
V117 / READER FIELD GUIDE / AV & LEGACY

Before you connect or replace

RCA color is a hint, not an interface specification

RCA-style connectors appear in multiple analog and digital audio/video roles. An equipment manual determines the port function; a red/white/yellow/orange color cue by itself does not.

Three checks and exact source trail ↗

Editorial decision guidance only. A connector identity or nominal pitch does not establish approved mating, safe wiring or a supported device combination.

Visual atlas / P023 / 2026

Recognize the right physical clue.

FIGURE · REVIEW PENDING
RCA connector: Smooth concentric push-fit phono shell. Cable-end plug exterior; qualitative side profile. Qualitative source-linked recognition study, not a pinout or a dimensional guide.
Cable-end plug. Cable-end plug exterior; qualitative side profile.

What to look for

Smooth concentric push-fit phono shell

What the drawing does not prove

Center conductors are simplified; no impedance, solder or insertion geometry is represented.

Similar coaxial construction does not establish impedance, signal type or fit.

No fabrication dimensions, conductor routing, guaranteed fit or device approval. For electrical, power and optical interfaces, follow the original equipment instructions.

Figure evidence, orientation & usage rights

Uses previously recorded V112 manufacturer claim/source inspections; October 2026 supplementary public-source spot checks are documented separately, not treated as a refreshed approval.

Original Port & Cable interpretive vector, no third-party photo, copied CAD, logo or vendor drawing. Third-party product photos, logos and source drawings are not redistributed. pending independent expert assessment; publication approval remains closed.

Original claim identifiers: C023A (private workspace) · C023B (private workspace) · C023C (private workspace) · C023D (private workspace) · C023E (private workspace). Legacy evidence dates and rights assessments remain as recorded.

The useful distinction

Recognize it. Then verify it.

RCA connectors are used in multiple audio and video applications. [C023A]

Neutrik NF2C-B/2 assembly instruction BDA 236 V3 shows a center-conductor path and a separate cable-shield path terminating in the concentric phono plug contacts. This reference counts two conducting paths, not component solder lugs or switched-socket terminals. [C023B]

Denon AVR-1507 page 10 distinguishes RCA-style pin-plug uses: white/left and red/right analog audio, a separate mono subwoofer connection, orange coaxial digital audio, yellow composite video, and green Y / blue PB-CB / red PR-CR component video. [C023C]

The Denon AVR-1507 cable table specifies 75-ohm pin-plug cables separately for coaxial digital audio and composite video. A shared impedance description and RCA form do not make their signals the same. [C023D]

Neutrik describes the NF2C-B/2 as making its ground contact before its signal contact, and breaking signal before ground. The manufacturer also uses phono, RCA and CINCH as names for this plug type. [C023E]

Source-scoped identification facts

Each value retains its exact example, role and measurement axis. Facts from different parts must not be combined into an invented component.

Documented examples; not a mating drawing or compatibility approval
Nominal contacts2S395 · S396 · S396 · S397Center and surrounding contacts of a coaxial phono plug; NF2C-B/2 example; nominal engineering count, not automatically positions, population or a device wiring map. Center and surrounding contacts of a coaxial phono plug; NF2C-B/2 example
Connector roleplug; plug (NF2C-B/2)S395 · S396 · S396 · S397 · S397Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. Center and surrounding contacts of a coaxial phono plug; NF2C-B/2 example NF2C-B/2. Documented role: plug. Marking colors identify this supplied pair and do not establish circuit function for everyRCAjack.; Sourcecontact resistance text>10GmOhm appears malformed; not adopted.
Coupling / latchGround makes before signal; signal breaks before ground (NF2C-B/2)S397Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. NF2C-B/2. Documented role: plug. Marking colors identify this supplied pair and do not establish circuit function for everyRCAjack.; Sourcecontact resistance text>10GmOhm appears malformed; not adopted.
ManufacturerNeutrik (NF2C-B/2)S397Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. NF2C-B/2. Documented role: plug. Marking colors identify this supplied pair and do not establish circuit function for everyRCAjack.; Sourcecontact resistance text>10GmOhm appears malformed; not adopted.
SeriesProfi (NF2C-B/2)S397Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. NF2C-B/2. Documented role: plug. Marking colors identify this supplied pair and do not establish circuit function for everyRCAjack.; Sourcecontact resistance text>10GmOhm appears malformed; not adopted.
Exact part / implementationNF2C-B/2 (NF2C-B/2)S397Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. NF2C-B/2. Documented role: plug. Marking colors identify this supplied pair and do not establish circuit function for everyRCAjack.; Sourcecontact resistance text>10GmOhm appears malformed; not adopted.
Recorded markingsManufacturer supplies pair marked red and black (NF2C-B/2)S397Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. NF2C-B/2. Documented role: plug. Marking colors identify this supplied pair and do not establish circuit function for everyRCAjack.; Sourcecontact resistance text>10GmOhm appears malformed; not adopted.

Not recorded: Positions / cavity span, Populated contacts, Contact rows, Contact pitch, Dimensions / axis, Contact gender / arrangement, Mounting, Keying / polarization, Shell / form, View convention. Unknown fields stay unknown; illustrations supply no measurements or pin assignments.

Recorded variant and source limits
  • Color alone does not establish analog audio, coaxial digital audio, composite video or component video.
  • No impedance, supported frequency, cable length, signal voltage or connector tolerance is inferred for an unspecified cable or socket.
  • Switched sockets and multiway assemblies may have additional terminals not represented by the two interface paths.
  • Ground-before-signal contact sequencing belongs to the cited NF2C-B/2 design, not every RCA connector. No fabrication or live-connection approval.
Report a correction to these facts →

Bounded facts, visible unknowns

Specifications and limits

RCA connector facts and limitations
Also calledPhono connector [C023A]
Signal typeApplication-specific [C023A]
Reference scopeTwo conducting paths; signal role remains application-specific [C023B] [C023C]
Mechanical dimensionsNo independently reviewed mechanical drawing in this release; do not use this page for fabrication.
Engineering pinoutSource-checked engineering profile available; independent review pending. Open engineering profile →
Verified device listNot included. Check exact device and accessory documentation.
A boundary, not an omission to guess around.

This record is an identification starting point. The engineering reference provides a source-scoped contact example, not measured mating tolerances, fabrication approval or a verified compatibility result. Use the exact device and accessory documentation for signal role, pin assignments and operating limits.

Before you connect

What to check

  1. Read the label beside the device socket.
  2. Confirm analog or digital function and input/output direction.
  3. Do not expect a passive plug adapter to translate optical, digital and analog formats.
Trace a supported connection class →

Your next step

Move from the form to the requirement.

The source trail

Evidence for this page

AI-assisted inspection is not independent engineering review. Source scope and access limitations are disclosed below. Procedural checklists are editorial requirements, not hardware measurements.

Back to first citation ↑
C023ASource checked · pending review

RCA connectors are used in multiple audio and video applications.

C2G / Legrand · Video connector guide ↗

Locator: HD15, HDMI, HDMI Mini, HDMI Micro, DVI-D and RCA sections
Access: public page. The old DisplayPort technology/speed description on this page is not relied on.

S018: full source recordInspect review dependencies → (private workspace)

Claim scope: Consumer identification / documented standard or product class only. Next review due 2026-12-30.

Back to first citation ↑
C023BSource checked · pending review

Neutrik NF2C-B/2 assembly instruction BDA 236 V3 shows a center-conductor path and a separate cable-shield path terminating in the concentric phono plug contacts. This reference counts two conducting paths, not component solder lugs or switched-socket terminals.

Neutrik AG · NF2C-B/2 Profi phono plug — Assembly Instruction BDA 236 V3, 2023-01-25 ↗

Locator: Single page; illustrations B, C and F show the separate center-conductor and shield paths and assembled concentric contacts.
Access: public pdf text. No universal solder-lug numbering, switch-contact arrangement, mechanical tolerance, cable rating or fabrication procedure is inferred from this component example.

S395: full source recordInspect review dependencies → (private workspace)

Claim scope: Exact component illustration used for center/surrounding-contact identification; no universal terminal numbering or audio/video signal assignment.. Next review due 2027-01-05.

Back to first citation ↑
C023CSource checked · pending review

Denon AVR-1507 page 10 distinguishes RCA-style pin-plug uses: white/left and red/right analog audio, a separate mono subwoofer connection, orange coaxial digital audio, yellow composite video, and green Y / blue PB-CB / red PR-CR component video.

Denon · Denon AVR-1507 Owner’s Manual — Cable indications ↗

Locator: Printed page 10 (PDF page 13), Cable indications: groups A, B, C, F and H and signal-direction legend.
Access: public pdf text. The table is a receiver-manual example, not a guarantee that color identifies an unknown socket. It does not establish an arbitrary cable’s impedance, waveform or replacement suitability.

S396: full source recordInspect review dependencies → (private workspace)

Claim scope: Named-manual color and label examples, not a universal color guarantee. A red connector is not necessarily an audio channel; direction and signal type require device labels.. Next review due 2027-01-05.

Back to first citation ↑
C023DSource checked · pending review

The Denon AVR-1507 cable table specifies 75-ohm pin-plug cables separately for coaxial digital audio and composite video. A shared impedance description and RCA form do not make their signals the same.

Denon · Denon AVR-1507 Owner’s Manual — Cable indications ↗

Locator: Printed page 10 (PDF page 13), Cable indications: groups A, B, C, F and H and signal-direction legend.
Access: public pdf text. The table is a receiver-manual example, not a guarantee that color identifies an unknown socket. It does not establish an arbitrary cable’s impedance, waveform or replacement suitability.

S396: full source recordInspect review dependencies → (private workspace)

Claim scope: Exact manual cable descriptions only; no inferred impedance, length limit, bandwidth or electrical approval for an unidentified RCA-ended cable.. Next review due 2027-01-05.

Back to first citation ↑
C023ESource checked · pending review

Neutrik describes the NF2C-B/2 as making its ground contact before its signal contact, and breaking signal before ground. The manufacturer also uses phono, RCA and CINCH as names for this plug type.

Neutrik AG · NF2C-B/2 Profi phono plug — manufacturer product description ↗

Locator: Product description and Features & Benefits: phono/RCA/CINCH naming and ground-before-signal contact sequence.
Access: public page. The ground-first feature is specific to this design and is not generalized to all RCA plugs. Electrical-rating fields elsewhere on the page are not used here.

S397: full source recordInspect review dependencies → (private workspace)

Claim scope: Exact product design and naming only; not a universal RCA contact sequence, safety guarantee or evidence that a socket is a turntable PHONO input.. Next review due 2027-01-05.

Suggest a correction to this field note →

Common questions

Questions this record can help resolve

Put this field note to work.

Add to discovery trayRecord an unsaved candidate (private workspace)

Candidate selection does not confirm the identity or capabilities of your physical item.

Evidence behind this page

Scope first. Source second. Approval separate.

4 linked sources · 5 scoped claims · 0 sources with inspection/access flags.

Page scope: consumer_pilot

Assessment 2026-10-22 · earliest scheduled source review 2026-12-30. This is a recorded-date assessment, not a live source check. Page-level independent review is not established by this panel.

Inspect 4 source scopes, access limits and dates

S018 · Video connector guide

C2G / Legrand · Manufacturer / product-owner domain · inspected 2026-10-01 · due 2026-12-30

Within inspection window

Scoped support: Narrow physical identifiers only, not historical speed or video capability descriptions.

Not established / limitations: The old DisplayPort technology/speed description on this page is not relied on.

Locator: HD15, HDMI, HDMI Mini, HDMI Micro, DVI-D and RCA sections

S395 · NF2C-B/2 Profi phono plug — Assembly Instruction BDA 236 V3, 2023-01-25

Neutrik AG · Manufacturer / product-owner domain · inspected 2026-10-07 · due 2027-01-05

Within inspection window

Scoped support: Exact NF2C-B/2 RCA example; two conducting paths, not two numbered PCB terminals.

Not established / limitations: No universal solder-lug numbering, switch-contact arrangement, mechanical tolerance, cable rating or fabrication procedure is inferred from this component example.

Locator: Single page; illustrations B, C and F show the separate center-conductor and shield paths and assembled concentric contacts.

S396 · Denon AVR-1507 Owner’s Manual — Cable indications

Denon · Unclassified publisher domain · inspected 2026-10-07 · due 2027-01-05

Within inspection window

Scoped support: Named-manual examples of pin-plug audio/video uses, color conventions, and 75-ohm cable descriptions for coaxial digital audio and composite video.

Not established / limitations: The table is a receiver-manual example, not a guarantee that color identifies an unknown socket. It does not establish an arbitrary cable’s impedance, waveform or replacement suitability.

Locator: Printed page 10 (PDF page 13), Cable indications: groups A, B, C, F and H and signal-direction legend.

S397 · NF2C-B/2 Profi phono plug — manufacturer product description

Neutrik AG · Manufacturer / product-owner domain · inspected 2026-10-07 · due 2027-01-05

Within inspection window

Scoped support: Exact NF2C-B/2 contact sequencing; naming context only.

Not established / limitations: The ground-first feature is specific to this design and is not generalized to all RCA plugs. Electrical-rating fields elsewhere on the page are not used here.

Locator: Product description and Features & Benefits: phono/RCA/CINCH naming and ground-before-signal contact sequence.

Trace 5 claims to their source records

C023A · P023

RCA connectors are used in multiple audio and video applications.

Claim scope: Consumer identification / documented standard or product class only

Source links: S018 · Evidence trail → (private workspace)

C023B · P023

Neutrik NF2C-B/2 assembly instruction BDA 236 V3 shows a center-conductor path and a separate cable-shield path terminating in the concentric phono plug contacts. This reference counts two conducting paths, not component solder lugs or switched-socket terminals.

Claim scope: Exact component illustration used for center/surrounding-contact identification; no universal terminal numbering or audio/video signal assignment.

Source links: S395 · Evidence trail → (private workspace)

C023C · P023

Denon AVR-1507 page 10 distinguishes RCA-style pin-plug uses: white/left and red/right analog audio, a separate mono subwoofer connection, orange coaxial digital audio, yellow composite video, and green Y / blue PB-CB / red PR-CR component video.

Claim scope: Named-manual color and label examples, not a universal color guarantee. A red connector is not necessarily an audio channel; direction and signal type require device labels.

Source links: S396 · Evidence trail → (private workspace)

C023D · P023

The Denon AVR-1507 cable table specifies 75-ohm pin-plug cables separately for coaxial digital audio and composite video. A shared impedance description and RCA form do not make their signals the same.

Claim scope: Exact manual cable descriptions only; no inferred impedance, length limit, bandwidth or electrical approval for an unidentified RCA-ended cable.

Source links: S396 · Evidence trail → (private workspace)

C023E · P023

Neutrik describes the NF2C-B/2 as making its ground contact before its signal contact, and breaking signal before ground. The manufacturer also uses phono, RCA and CINCH as names for this plug type.

Claim scope: Exact product design and naming only; not a universal RCA contact sequence, safety guarantee or evidence that a socket is a turntable PHONO input.

Source links: S397 · 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.

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