ELECTRIC CURRENT

Current uses Dangers Protection measures Caution measures

IntroductionA practices manual is a guide that can help us as instrument for the appropriate realization of the same, from the correct application from security measures and for prevent accidents. This document present some practices in detailed and order form allowing to the student, perform an effective safe and easy work.

CURRENT USES For example: “The electric current in in our practices is critical, because al power our circuit and with the help of an analogical or digital multimeter, I let us know if our theoretical calculation are correct and compare obtained results with the measured.

The electric current have different applications to the moment to realize laboratory practices.

DANGERS Current effects in our organism

Margin Electric strength (mill amperes) Effects Consequences

1 2 until 25

Slight tingling, numbness, muscle cramps, increase of the blood pressure

Scare with uncontrolled movements, paralysis or

sometimes unconsciousness

2 25 until 80Stomach seizures, and severe muscle

cramping

Sickness, bones breaks, lack of blood circulation, lack of

oxygen in the brain and after of 4 minutes you’ll die by

death of brain cells.

3 80 until 500Abnormal heart

rhythm, (threatening)

Heart attack and death

4 De 500 until 1 ampere

Severe burns and death Death due to burns

Voltage driverContac form: the skin moisture favors the

electric circulation Subject status: It is both the physical and

the mental state.

In the electric strength also involved severe factors

Protection measures What is a safety equipment?Any equipment to be used or fastened the employee to protect him of risks that can to threat his security or his health at work, as well as any complement or accessory for that purpose. What are they for?It serves to protect integrity of the human being or the equipment with which it works

Reduce the accidents

Importance Unprotected we exposed ourselves to a potential danger Be protected can ensure a quality of life and a good survival

CAUTION MEASURES• Before to start cut the power

• Check the good circuit state (no bare wires or gnowed)

• The electric appliances should be plugged to protection circuits

• Sure that the electric appliances are properly designed, installed and well maintained

• From avoid lighting during the storms, you should avoid open spaces, sports fields, isolate under a tree or metallic ceilings.