dangers of electricity

materials that don't allow the flow of electricity through them are called ...........

• electric conductors

• electric insulators

• electric fires

Increasing the temperature of the electric machines causes ..........

• electric shock

• electric fires

• electric burns

........is a good conductor of electricity

• iron

• wood

• glass

• plastic

plugging many appliancesto one socket may cause .........

• electric overload

• heating up of wires

• fires

• all of them

All of the following are from the direct injuries except.........

• fires resulting from electricity

• falling from the top of a ladder

• electric burns

• electric shock

...........is used to put out electric fires

• water

• sand

• None of them

..............are the materials that allow the flow of electricity through them

• electric conductors

• electric insulators