When fuelling.
prevent electrical shock
Both, it must be grounded and must have power.
When an aircraft is weighed, an aircraft equipment list must be provided to the weighing agency. All equipment that is recorded on the equipment list must be in or on the aircraft at the time it is weighed.
Objects must be grounded so that they do not fly around. If objects flew around they could break other objects or hurt people.
No; molecules by definition must be electrically neutral.
An ion is always electrically charged.
The orange wire must be grounded
With the driver's side of the vehicle toward the aircraft.
with the drivers side of the vehicle toward the aircraft
with the driver's side of the vechile toward the aircraft
Quarterly
25 feet