Electricity and Electrical Safety Cosmetology Milady

Which of the following is TRUE of electricity and the beauty wellness industry?

• electricity use in the industry is limited to clippers and hair dryers

• most of the equipment that beauty professionals deal with is very dangerous

• most beauty professionals will not interact directly with electricity

• advanced electrical machines require an understanding of electrical theory

Electricity exhibits _______ effects.

• magnetic and thermal

• magnetic

• magnetic and chemical

• magnetic, thermal, and chemical

How many services of the services that beauty pros offer their clients are impacted by electricity?

• only a small handful of them

• about half of them

• most of them

• all of them

If you were opening a salon, you would need to have a understanding of electricity for all EXCEPT what following reasons

• you will rely on lighting and air temperatures controls for client comfort

• you will need to be able to quickly repair electrical devices

• You will need to be able to properly care for a variety of devices

• you will rely on a variety of electrical devices, including oil heaters

Copper is used in electrical wiring and electrical motors because _____.

• it is a good insulator

• it provides a safeguard against electrocution

• it is a good conductor

• it is inexpensive

______ is a good example of an insulator.

• tap water

• wood

• steel

• copper

Electricity ______.

• does not occupy space, nor does it have mass

• occupies space and has mass

• occupies space, but has no mass

• has mass, but occupies no space

Direct current is BEST differentiated against Alternating current by which of the following statements?

• direct current is the true form of electrical current

• direct flows in one direction, alternating flows back and forth

• direct flows back and forth, alternating flows in one direction

• direct is not truly an electrical current, alternating is

_____ is a good example of an conductor.

• glass

• cement

• tap water

• rubber

A wire that isnt large enough to carry electrical current passing through it will ______.

• save energy

• not power the device

• over heat

• electrcute the user