USB · Class

USB-A to USB-C cable class

A cable can terminate in USB Type-A at one end and USB Type-C at the other while supporting different data and charging capability sets.

USB Type-Aend A

USB Type-Cend B

Not Establisheddirection evidence

Noneconversion

Endpoint map

Start with what is physically represented

Host/device direction depends on the exact cable and connected devices.

USB Type-A reference →USB Type-C reference →Compare references with these ends →Canonical cable/adapter note →

Capability ledger

Six questions kept separate

DataConditional

Data capability is cable-specific.

Evidence: C315A

Power / chargingConditional

Charging/current capability is cable-specific.

Evidence: C315A

VideoUnknown

Video/alternate mode is not implied by the Type-C end.

Evidence: C315A

ConversionNone

No protocol conversion asserted.

Length / reachNot Established

No universal length limit asserted.

Markings / certificationConditional

Inspect product and USB markings; connector shape is insufficient.

Evidence: C315A

Explicit unknowns

USB generation, charging current, PD and alternate modes remain unresolved without exact cable evidence.

Source boundary

Why this profile says what it says

Back to first citation ↑

Source records: S002 · S040

C315ASource checked · pending review

A USB Type-A to USB Type-C cable identifies two connector ends, but connector shape alone does not establish the cable's data generation, charging current, USB Power Delivery behavior or alternate-mode capability.

Scope: USB-A-to-USB-C cable-class identification and capability-separation principle only. · review due 2027-01-05

Cable Matters · USB connector cable types

Narrow physical identification.

Open source ↗

USB-A, USB-B and USB-C sections · Do not infer video, power or backward compatibility from this broad guide.

USB-IF · USB Type-C cable logo usage guidelines, January 2026

USB 2.0 data capability is distinct from 60 W / 240 W power labeling.

Open source ↗

USB 2.0 Type-C cables and power marking · Certification artwork and logos are not reproduced.

Common questions

Questions this record can help resolve

Does USB-C mean USB 3, USB4 or Thunderbolt?Separate the USB-C connector shape from the USB generation, USB4, Thunderbolt, video and charging capabilities implemented by a particular port or cable.Why does a USB-C cable charge but not carry a display?Treat charging and display transport as separate capabilities instead of assuming one successful USB-C function proves every other function.Why can two USB-C cables support different speeds?Use USB-C only as an endpoint description; data generation, Thunderbolt support, construction, length and exact-product capability remain separate.Are all USB-C cables the same for charging?Keep the connector form separate from cable-specific charging/current evidence and the exact devices participating in power negotiation.

Evidence behind this page

Scope first. Source second. Approval separate.

2 linked sources · 1 scoped claims · 0 sources with inspection/access flags.

Page scope: class

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 2 source scopes, access limits and dates

S002 · USB connector cable types

Cable Matters · Manufacturer / product-owner domain · inspected 2026-10-01 · due 2026-12-30

Within inspection window

Scoped support: Narrow physical identification.

Not established / limitations: Do not infer video, power or backward compatibility from this broad guide.

Locator: USB-A, USB-B and USB-C sections

S040 · USB Type-C cable logo usage guidelines, January 2026

USB-IF · Standards-organization domain · inspected 2026-10-01 · due 2026-12-30

Within inspection window

Scoped support: USB 2.0 data capability is distinct from 60 W / 240 W power labeling.

Not established / limitations: Certification artwork and logos are not reproduced.

Locator: USB 2.0 Type-C cables and power marking

Trace 1 claims to their source records

C315A · P315

Claim scope: USB-A-to-USB-C cable-class identification and capability-separation principle only.

Source links: S002 · S040 · Evidence trail → (private workspace)

Prepare this page for review →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.