A streak of lightning.
Water running through a pipe.
Water passing through the ground.
Lightning passing through the ground.
Opposes or restricts the flow of electricity.
Increases the voltage of electrical flow.
Aids the conduction of electricity.
Keeps a circuit closed.
Extension cords should be taped to a wall instead of lying on the floor.
A long extension cord should be coiled.
Extension cords must not be run through ceiling holes.
Extension cords should not be used for small appliances.
Ground safety personnel.
Civil engineering personnel.
Circuit breaker box manufacturer.
Negative electrode cell.
A neutronic cell.
An electrical cell.
A chemical cell.
A lead cell.
A negative electrode, electrolyte, and a circuit.
Positive and negative poles, and a potential circuit.
A positive electrode, negative electrode, and an electrolyte.
An electrolyte compound, a circuit continuity, and an electrical charge.
Pour water slowly into acid.
Pour acid slowly into water.
Combine in a metal container.
Combine with a diluting agent.
Major command (MAJCOM) USAF directives.
National Electric Code (NEC).
Department of Defense (DOD) Electrical Systems Instruction.
USAF Fire Prevention Code.
One alternation of current.
One negative pulse of current.
Two alternations of current (both in the same direction).
Two alternations of current (one in one direction and one in the other).
Length of the exposure.
Amount of the current flow.
Level of the voltage applied.
Frequency of the electrical charge.
Continuity of system grounds.
Equalization of static charges that may be generated.
Dissipation of static electrical charges to a ground.
Prevention of accumulations of dynamic electricity.
Static electrical charges only.
Dynamic electrical charges only.
Both dynamic and static electrical charges.
Return wire attached to a ground in the earth.
Wire attached to the frame of a tool and a metal bar.
There are no breaks in the grounding path.
The grounding path is broken before it reaches the ground.
Dynamic charges are converted into static charges.
Static charges are converted into to dynamic charges.
The equipment is relatively small in size.
The equipment is moved about so much.
The equipment uses a three-wire cord.
The grounding prong on the plug has probably been removed.
All paths must be continuous.
Equipment grounds should never exceed two ohms.
All grounding points must be provided adequate protection against physical damage.
The natural ground circuit resistance should be kept as far as possible below the maximum permissible limits.
A link of metal placed in series with a circuit.
A switch that, when released, allows the current to flow uninterrupted.
A device that communicates the information in a signal to another device.
A device that tells the circuit breaker to interrupt current flow when the temperature rises.