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Cosmetology Program

Chapter 13: Salon Electrical Fundamentals

Electrical Principles, Safety, GFCI & Salon Equipment|37 Questions|Board Exam Prep

A

Vocabulary Matching


Match each numbered term with the correct lettered definition. Write the letter in the blank.

Terms
1.Watt
2.Volt
3.Ampere
4.Ohm
5.GFCI outlet
6.Direct current (DC)
7.Alternating current (AC)
8.Conductor
9.Insulator
10.High-frequency machine
Definitions
A.Electrical current that flows in one direction only
B.Electrical current that periodically reverses direction
C.Electrical device that stimulates scalp circulation and treats acne
D.Ground fault circuit interrupter that shuts off power when ground fault detected
E.Material that allows electrical current to pass through it
F.Material that resists the flow of electrical current
G.Unit of electrical pressure or force
H.Unit of measurement for electrical resistance
I.Unit of measurement for rate of electrical energy use
J.Unit of measurement for strength of electrical current
B

Fill in the Blank


Complete each statement with the correct term or phrase.

Question 11Fill in the Blank

The unit for rate of electrical energy use is a .

Question 12Fill in the Blank

A outlet shuts off power when a ground fault is detected.

Question 13Fill in the Blank

Direct current flows in direction only.

Question 14Fill in the Blank

A material allowing current to pass through is a .

Question 15Fill in the Blank

A material resisting current flow is an .

Question 16Fill in the Blank

The unit of electrical pressure is a .

Question 17Fill in the Blank

A device preventing excess current is a fuse or circuit .

Question 18Fill in the Blank

LED therapy uses colored light for treatments.

C

Multiple Choice


Select the best answer for each board-exam style question.

Question 19Multiple Choice

Device preventing excess current flow:

A. Conductor
B. Fuse or circuit breaker
C. Converter
D. Transformer
Question 20Multiple Choice

LED light therapy uses which energy type?

A. Ultraviolet only
B. Visible colored light
C. Infrared only
D. Microwave
Question 21Multiple Choice

Which unit represents resistance?

A. Volt
B. Ampere
C. Ohm
D. Watt
Question 22Multiple Choice

GFCI outlets are essential because they:

A. Save electricity
B. Protect against electrocution in wet areas
C. Increase power
D. Are required only in kitchens
Question 23Multiple Choice

Metal shears are an example of a:

A. Insulator
B. Conductor
C. Transformer
D. Generator
Question 24Multiple Choice

A rubber handle on a blow dryer is:

A. A conductor
B. An insulator
C. A transformer
D. A converter
Question 25Multiple Choice

Galvanic current device is used to:

A. Curl hair
B. Drive products into skin via iontophoresis
C. Cut hair
D. Steam scalp
Question 26Multiple Choice

Essential electrical safety practice:

A. Using frayed cords
B. Keeping tools near water
C. Never using damaged cords
D. Overloading circuits
D

True / False


Write T for True or F for False in the blank.

Question 27True / False

Direct current flows in one direction only.

Question 28True / False

It is safe to use electrical tools near water if careful.

Question 29True / False

A GFCI outlet shuts off power when ground fault is detected.

Question 30True / False

A rubber comb is an electrical conductor.

Question 31True / False

Unplugging tools when not in use is important safety practice.

Question 32True / False

The ampere measures electrical resistance.

Question 33True / False

A high-frequency machine can stimulate scalp circulation.

Question 34True / False

UV/LED lamps cure gel nail products.

E

Short Answer


Answer each question in 2-3 complete sentences.

Question 35Short Answer

Explain difference between conductor and insulator with salon examples.

Question 36Short Answer

List three electrical safety practices for cosmetologists.

Question 37Short Answer

Match each device to its function: high-frequency, galvanic, steamer, UV/LED lamp.