How to prevent lightning stroke ppt

1, when lightning strikes, turn off indoor electrical equipment such as TV, stereo, DVD player and computer, and disconnect the power supply and signal line.

2. During lightning, do not touch water pipes, barbed wire, metal doors and windows, external walls of buildings, and stay away from live equipment such as wires or similar metal devices. Close the doors and windows to prevent lightning intrusion.

3. During the lightning, don't walk in the open air with metal objects, don't play metal umbrellas, and don't ride horses or bicycles.

4, lightning, immediately looking for shelter in the wild. The concrete building with lightning rod is a good place for lightning protection.

When it thunders, don't crowd together in the wild, but hide in a big mountain hole.

6. When lightning strikes, you can't stay at the edge of tall trees and forests, around wires and flagpoles, beside haystacks, tents, rails, long metal railings, huge metal objects, hilltops, commanding heights and other places.

7. It is not advisable to swim outdoors during lightning.

8. When lightning strikes, if the masking conditions do not allow, you should immediately kneel down, bend forward, and put your arms around your knees.

9. Enter the building with good lightning protection device as soon as possible, close the doors and windows, and do not stay at the top of the building.

10, don't lean against the external walls and columns of buildings, and don't approach or touch the charged equipment such as metal water pipes, metal doors and windows.

1 1. If lightning arresters are not installed on the signal lines of power supply, telephone, TV, etc. Try not to watch TV, make phone calls or use other electrical appliances. It's best to unplug it.

12, don't take a bath at home, especially if the solar water heater is installed on the roof, which is not within the protection scope of direct lightning.

13. It's safe to sit in the carriage. Never get off the bus when lightning strikes. Very dangerous.

14, do not enter the isolation shed or sentry box without lightning protection measures to avoid rain.

15, more than three meters away from trees or telephone poles.

16, try not to use your cell phone.

17. Avoid all conductive objects, such as metal, charcoal, wet animals and plants, and don't wear wet clothes.

18, don't shelter from the rain under trees, especially trees in open environment, because they are likely to become the path of lightning discharge; Don't shelter from the rain next to tall buildings (such as towers); Don't take shelter from the rain next to collapsed and wet old buildings (such as ancient temples); Don't walk on the rails;

Lightning rod and its grounding down lead away from buildings.

19. If you are in the wild and have nowhere to hide, you should immediately squat down during a thunderstorm, put your feet together, put your arms around your knees, and bend your head downward to minimize your body volume and grounding area. If you have metal objects in your hand (such as umbrellas with metal poles, iron utensils, shovels, etc.). ), put them away quickly.

20. indoors, don't get close to heating pipes and water pipes; Don't continue watching or listening to TV or radio (especially those equipped with outdoor antenna), cut off the power supply, disconnect the outdoor antenna from the TV and connect it with a ground wire. For the sake of safety, it is best to stop using electric appliances such as lights, remove large items that are easy to conduct electricity, and try not to make phone calls.

2 1. If the lightning is getting more and more violent, it is safer to close the doors and windows, put out the fire, spread a thick blanket or a long wooden stool in the center of the house, and then put your family on it.

22. If electrical equipment is found to be burnt by lightning, cut off the power supply as soon as possible and find an electrician to check and repair it. When it is impossible to judge whether there is a power outage, it should be regarded as a power outage. At the same time, inform the electrician to check and deal with it, and keep the site safe. Don't let people or livestock near it, and the distance should be more than 8 meters.

23, in case of lightning accident, should actively carry out artificial respiration and chest compressions and other first-aid measures.