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24 Cards in this Set
- Front
- Back
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What measures pressure
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volt
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This regulates the strength of a current
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rheostat
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Is a plug in device used to make electrical contact
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a jack
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Reverses the direction from positive to negative
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Polarity changer
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Is an aparatus that changes direct current to alternating current. dc to ac
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converter
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This certifies that the safety of electrical appliances
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UL/ underwriters lab
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Is a constant even flowing current that travels in one direction only & produces a chemical reaction/constant
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Direct Current/DC
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Is a rapid & interrupted current, flowing 1st in one direction and then in the opposite direction
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Alternating Current/AC
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Is the path of an electric current from generating source through conductors and back to its original source
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complete circuit
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A substance that does not easily transmit electricity/rubber
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Insulator
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A form of energy that when in motion exhibits magnetic, chemical, or thermal effects
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electricity
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Is any substance, material, or medium that conducts electricity/copper
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conducter
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Measures resistence
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ohm
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Is the flow of electricity along a conducter
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electrical current
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Is an applicator for directing the electric current from the machine to the clients skin
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electrode
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Polarity negative pole
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cathode
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Polarity positive pole
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anode
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Is an instrument that plugs into an ordinary wall outlet & produces different types of electri currents that are used for facial & scalp treatments
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wall plate
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Electronic facial treatments
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electrotherapy
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A switch that automatically shuts down at the 1st indication of an overload
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circuit breaker
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Is a special device that prevents excessive current from passing through a circuit
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fuse
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Is an appartus that changes alternating current to direct
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Rectifer
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1,000 watts/ your house is measured in kilowatt hours
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kilowatt
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Has 2 or 3 prong connector at the end of an electrical cord that connects an appartus to an electrical outlet
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plug
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