Electricity

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Mon. 9/17/12
1
Salon Fundamentals Book
Read Chapter 6
Starting on page 175 to 178
2
Basics Of Electricity
Journal Question
3
 Industrialized societies are very dependent upon
electrical power. How would the services provided
by a skin care center be diminished if electricity
suddenly become unavailable?
 What would you offer a client instead?
Key Terms
Define each of these words on note cards
 Electricity
4
 Amp
 Electric Current
 Volt
 Conductor
 Ohm
 Load
 Watt
 Insulator
 Electrotherapy
QUIZ NEXT CLASS
Electricity
5
Electricity: is the form of
energy that produces
light, heat, magnetic &
chemical changes.
Electric current: the
flow of electricity along a
conductor
Do the Walk About……
6
Types of Electric Current
7
 Direct current: (DC)
 Constant even flow
 One direction only
 (ex. flashlights, cell phones)
 Alternating current:
(AC)
 Rapid & interrupted
 Flowing 1st in one
direction and then in the
opposite
 (ex hair dryers & curling irons)
 Converter is a device
that changes DC to AC
 Rectifier is a device that
changes AC to DC
Conductors vs. Insulators
8
Activity
9
 Each group will research one of the following and
place information on the paper provided. You may
use your book or internet to do this.
Amp
 Volt
 Ohm
 Watt

 Then the group will report back to the class your
findings
Measurements of Electricity
10
 Amp: strength of the current.
 The higher amp rating indicates a greater number of
electrons and a stronger current.
 Volt: pressure
 pushes the flow of electrons forward through a conductor
 Milliamper: one-thousandth of an amper.
 Used to measure the current for facial treatments.
11
 ohm: resistance of an electric current.
 Current will not flow through the conductor unless the force
(volts) is stronger than the resistance (ohm).
 Watt: a measurement how much energy is being
used in one second.

(ex. a 40 watt light bulb uses 40 watts of energy per second.
 Kilowatt: is 1,000 watts.
Calculate Cost
12
AMP x VOLTS = WATTS
WATTS / 1000 = KW (kilowatt)
KW X HOURS USED = KWH
KWH X 0.12(COST) = COST PER MONTH
Activity
13
How much does that cost?
Amy uses her flat iron 30 minutes each day for 30 days. It uses 120
amps and 60 volts of electricity. The electric company charges
$0.08 per KWh

1.
How many watts does Amy flat iron use?
2.
How much does it cost for Amy to use her flat iron each month?
Home Work
14
Choose an appliance from home and use the formula
provided to find out how much it cost per month to
use the piece of equipment.
Submit it via- the website
How much does that cost?
15
 Brianna uses her flat iron 20 minutes each day for 30 days. It uses 120
amps and 60 volts of electricity. The electric company charges $0.08
per KWh

How many watts does Brianna’s flat iron use?

How much does it cost for Brianna to use her flat iron each month?
Wed. September 19,12
16
 Go to X drive read Electrical Safety in the salon & Blog
 Vocab. Quiz
 Home Work
 Read page 179-184
 Discussion
 Safety Activity
Electrical Safety
17
 Circuit= closed path
 Open circuit= when this path is broken
18
OVERLOAD
19
Electrical Fire Safety
20
OVERLOAD
Safety Devices
21
 Fuse
 Circuit breaker

These have replaced fuses
in modern circuits
Shock
22
Local
General
Fire Safety
23
Fire Triangle
24
Heat
Oxygen
Chemical Reaction
Fuel
Fire extinguisher operation
25
 P = PULL PIN
 A = AIM NOZZLE
 S = SQUEEZE HANDLE
 S = SWEEP AT BASE OF FIRE
Activity
26
Out the door
27
 Go to
m.socrative.com
 Room 92576
Wed. 9/26/12
28
 Read page 185-190 & fill out smart
notes for this section
 Discussion
 Power Point Activity
 Key Terms on page 188 using
quizlet.com
Electric Currents
29
 Modality : refers to the
flow of electricity along a
conductor
 4 main types:




Galvanic
High Frequency
Faradic
Sinusoidal
Phoresis
30
 The process of forcing a
water based solution into
the skin by using
Galvanic current.
 Two types

Anaphoresis

Cataphoresis
Polarity
31
 Indicates negative or positive
 Nanode- positive current, usually red and marked
w/a P or (+)
 Cathode- negative electrode, usually black and
marked w/a N or (-)

Do not let the tips of the cords touch or you will cause a short
circuit.
High Frequency Current
32
Tesla Current and produces
heat
Filled with:
Argon gas (used for acne
lesions)
Neon gas (normal to oily to
improve product
penetration or increase
circulation)

Ozone
Sparking……
33
More oxygen is
Allowed into the area creating
a spark gap
Two methods of High Frequency
34
Direct HF
35
Activity
36
 You will break into 4 groups
 Read about Faradic Current or Sinusoidal Current
 Your group will then write on the paper provided the
benefits
Faradic Current
37
alternating current that produces a mechanical reaction w/out a
chemical effect
Sinusoidal
38 Current
alternating current that produces mechanical contractions
that tone the muscles.
Benefits include
Greater stimulation, deeper penetration, and less irritating
Soothes the nerves and penetrates into deeper muscle tissue
Is best suited from the nervous client
Precautionary Measures
39
Activity
40
 Create a power point of
the 4 main types of
electrotherapy currents.




Galvanic
High Frequency
Faradic
Sinusoidal
 Create one slide per topic
 Show at lease one
illustration
 List the important
information found on
page 185-186
Tuesday September 20,11
41
 Read pages 194-213 & log
 Discuss Light Therapy
 Break
 Study Guide for Test Thursday
Light Therapy
42
 Treatment by means of light. These rays travel at
186,000 miles per second.
 Short waves= Xrays
 Longer waves= TV or Radio
Visible Light: light we can see.
43
Invisible Light
44
Infrared Rays
60% of all natural light
long wave lengths
penetrate all skin layers
produce the most heat
Ultraviolet Rays
short wavelengths
least penetrating
Produce chemical
effects & kill germs
Infrared Light or
IR light
45
Produces Heat
Benefits:
 Increases circulation
 Relaxes muscles
 Stimulates cell activity
Ultraviolet Light
46
 UVC
 UVB
 UVA
Monday October 8, 12
47
 Do Practice Test
 Review Light therapy
 Go over study guide…test next class
Journal Prompt
48
 In your own words describe the effects of thermal
mechanical and electrochemical currents upon the
human skin.
Wed. October 10
49
Journal:
Describe the benefits of using direct high frequency
on a client.
Wed. October 10
50
 Journal
 Discuss light therapy
 Review
 Practice Test
Friday October 12
51
 Journal:
 I think I could advertise my skills as a skin care specialist
by………
 Turn in Ch 6 Homework
 Ch 6 Test
 Start Ch 11. Hair Removal
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