Is it dangerous to step on the stool, touch the zero line with one hand, and the other to touch the wire?
If you hand the zero line of my other hand when you became a FireWire Guantanamo electrical current through your heart serious cause death.
If you are in the case of grounding with the ground, only touch the line of fire, will not get an electric shock, but in reality, if you step on the bench to touch the fire line will be an electric shock. Do not believe you take on the test bench to test fire watch test pencil light thin.
If you just touch the zero line. You are in the use of electrical appliances is not closed under the condition of touch will have numbness, because the whole electrical resistance similar to the zero line, line via electrical conduction, but electrical resistance is large in general is not enough to threaten to people.