IEC 60320 appliance coupler overview

Scope and location

Engineering boundary: IEC 60320 appliance couplers are treated as two-pole couplers with or without a protective conductor; V40 uses this only to avoid inventing extra contacts on non-grounded pairs.

IEC appliance-coupler overview

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Inspected

2026-10-05

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Recorded AI-assisted source inspection; not independent human approval or hardware testing.

Engineering-reference scope only. V40 does not turn this source into fabrication approval, electrical safety approval, protocol guarantee, safe substitution or end-to-end compatibility proof.

Source inspection is separate from independent technical approval, rights clearance and hardware testing.