Assuming that's true, and that the neutral wire is white (it usually is), set ... "positive" prongs on the dryer cord), then ...

This is called a fault. But the metal case is connected ... the equipment grounding conductors are connected to the neutral wire. In this case that box is the main breaker panel.

Neutral wire Copper wire coated with blue plastic that ... to flow from the case of the device to the ground if there is a fault A fuse provides a built-in fail-safe to the electrical circuit ...

Neutral wire Copper wire coated with blue plastic that ... to flow from the case of the device to the ground if there is a fault. Features of a plug Outer insulation Function All three wires ...