This European Standard specifies the characteristics of plugs with integrated accessory in the family of circular electrical connectors coupled by threaded ring.
It applies to the class defined in Table 2.
For contacts, filler plugs associated with this plug, see EN 2997-002. For receptacles, see EN 2997-003 to EN 2997-007, EN 2997-014, EN 2997-015 and for protective covers, see EN 2997-010.