Safety
In order to practice good electrical safety, ALWAYS __.
Disconnect appliances when they are not in use
Modalities
currents used in electrical facials/scalp treatments
Electricity use impacts _ of the service that beauty professionals offer their clients.
all
A blow dryer with 2875 watts would produce more energy per second than a 2000 watt dryer. (true or false)
True
A wireless clipper uses a battery but also needs to be charged when the battery dies. What kind of current is required to allow the clippers to work?
direct and alternating current
Why is grounding important?
Because it protects against electrical shock
Electrode (probe)
applicator for directing electric current from electrotherapy device to skin
What measures the resistance of electrical current?
Microcurrent travels through the entire body (true or false)
False
What should you do if you drop an electrical device in water? (GFI protected)
unplug, DONT have one hand in water and other on outlet
A location a GFI most likely would be required
a bathroom
Galvanic Current
constant/direct current
What does a watt measure?
how much electric energy is being use in one second
Poles of an electric current are ONLY positive (true or false)
False: can be positive or negative
What should you do if you drop an electrical device in water? (not GFI protected)
flip circuit off, then unplug, after restore power
What are the 4 steps you should take if you are shocked by equipment at work?
1. stop using appliance/turn off
2. unplug from wall/turn off circuit breaker
3. replace/repair appliance
4. if issue continues, discontinue use of outlet
Desincrustation:
form of anaphoresis, process to emulsify/soften, oil/blackheads in hair folicle
The use of electrical currents to treat the skin is called __.
electrotherapy
Gamma rays are most likely associated with nuclear power plants
True
In order to practice good electrical safety, ALWAYS __.
disconnect appliances when they are not in use
Tap water is a good conductor since it includes impurities, such as dissolved ______, calcium, and magnesium salts.
(Hint: Na on periodic table)
sodium
Electromagnetic Spectrum
name given to all forms of energy/radiation that exist
How does energy move through space?
in waves
45% of natural sunlight is visible, making up the visible spectrum of light
False: 35%
An example of an electrical safety device that you may encounter when working in a salon, spa, or barbershop
a circuit breaker