BS 4G 173-2:1985

This standard BS 4G 173-2:1985 Connectors for ground electrical supplies for aircraft is classified in these ICS categories:

• 49.100 Ground service and maintenance equipment

This p art of ISO 4 61 specifies the dimensions for the following connectors used to supply electrical power from a ground source to an aircraft:

Style 1A – 28 V d.c., aircraft fixed connector

Style 1B – 28 V d.c., ground supply free connector

Style 2A – 112 V d.c., aircraft fixed connector

Style 2B – 112 V d.c., ground supply free connector

Style 3A – 200 V a.c., 400 Hz, 3-phase aircraft fixed connector

Style 3B – 200 V a.c., 400 Hz, 3-phase ground supply free connector

NOTE ISO 461-1 specifies the design, performance and test requirements for the connectors.