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Authoritative PPT Summary
"Safe Use of Electricity" Inseparable Electricity PPT Courseware 2
create scenarios
With the development of science and the popularization of household appliances, modern life is inseparable from electricity. Who can tell us what benefits electricity has brought us?
Electricity has brought so many benefits to people, but will it cause harm?
Common sense about safe electricity use
1. How people are electrocuted.
(1) Single line electric shock
(2) Double wire electric shock
(3) High voltage arc electric shock
(4) Step voltage electric shock
2. Principles of safe use of electricity
Do not come into contact with low-voltage charged objects.
Do not go near high-voltage charged objects,
Do not use electrical appliances when they get wet.
Does not damage the insulation layer.
Measures to deal with electric shock accidents
(1) When an electric shock accident occurs, while ensuring the safety of the rescuer himself, we must first try to quickly remove the electric shock victim from the power source. The power supply should be cut off immediately. If the power switch is far away, you should immediately use dry wooden sticks, bamboo poles, rubber products and other insulating objects to separate wires, electrical appliances, etc. from the person who gets an electric shock. Never use your hands to directly rescue people in case the rescuer Get electrocuted again.
(2) Immediately carry out rescue on the spot. If breathing stops, use mouth-to-mouth artificial respiration. If the heart stops beating or trembles irregularly, artificial chest compression can be used to rescue. It must not be interrupted without reason.
(3) Ask a doctor to come for rescue in time.
Compliance in court
1. Fill in:
1. When a large current flows through the human body, it can cause the person to ____ or ____. So we should pay attention to____.
2. The human body and the earth are ________. When repairing electrical appliances, you must first ________.
2. Junior Judge:
1. Kites are made of cloth, which is not easy to conduct electricity. It doesn't matter if you fly the kite under high-voltage lines. ( )
2. When someone gets electrocuted, pull him away quickly. ( )
3. There is a layer of insulating plastic on the outside of the wire, so it doesn't matter if you dry your clothes on the wire. ( )
4. When encountering a thunderstorm outdoors, do not hide under a tree for shelter. ( )
5. There is dust on the light bulb. Xiaohua wipes the light bulb with a wet cloth. ( )
6. If there is a problem with the circuit, please ask an electrician to repair it. ( )
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For more information about the PPT courseware "Electricity is inseparable from safe use of electricity", please click the Electricity ppt tag that is inseparable from safe use of electricity.
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