Tongue factor doesn't apply at this voltage. All will flow at that pressure. Lucky it's only 9mA.
Some other more powerful potentials easily obtained:
- Oil burner ignition transformer. Most are 10,000V at 23mA. This is on threshold of becoming dangerous.
- Neon sign transformer. Available up to 15,000V at 60mA. Touch one of these and you'll live. You will also scream like a girl that saw a mouse on the floor.
- Microwave oven. *only* 2,000V but 500mA. That will kill you. Don't even think about playing with this.
- Pole pig. Sky is really the limit but if you have the typical 200A electrical system and "borrow" a 50A circuit from your range or have a welder in your garage you can get 30,000+ volts at 1/2A or more. This is lethal obviously and only highly experienced and trained people should even think of messing with one.