It is not necessary to turn off the main power switch in the laboratory every day when you leave

The main power switch of the laboratory does not need to be closed when it leaves every day, because there are always some equipment that needs to run for a long time in the laboratory, mainly depending on whether the equipment in the laboratory needs to be turned off.

There are several basic requirements for electricity safety: good electrical insulation, ensuring a safe distance, adapting the capacity of the line and socket to the power of the equipment, and not applicable to the three no products.

The electrical equipment and wiring facilities in the laboratory must be implemented in strict accordance with the requirements of the safety electricity regulations and equipment, and it is not allowed to connect or pull the wires indiscriminately, and the power supply on the wall shall not be disassembled and rerouted without permission.

As far as the description is concerned, it is necessary. Because there are many people, if some people forget something, unnecessary safety accidents may occur. So this is the most basic safety precaution. It's a must.

I don't know how to continue asking, satisfied.

There is no need to turn on the switch every day on the TV power switch,The switch is turned off,I think it should be turned off and not closed for fear of leakage。

This depends on whether there is a safety risk in the laboratory, and the power must be cut off.

Not required for general laboratories.

It's better to close it every day when you leave, otherwise it's easy to get dangerous.

It is not necessary, but this is the safest operation that can eliminate some safety hazards.

The power supply should be closed to ensure safety, and the space circuit is too large and complex, so it is necessary to pay attention to the safe use of electricity.

It is not necessary to close the main power switch of the laboratory every day, as long as the opening of each load is turned off.

It is not necessary to close the main switch of the laboratory when you leave every day, I think it is a very good habit to turn it off, and the power is cut off when people walk, which is to ensure safety and prevent accidents.

It is necessary to switch the laboratory power supply** on and off every day because of the experimental procedures.

It's best for the lab team to turn it off every day when they leave, informing them that there will be an accident when no one is there.

Every day when you leave, you definitely need to close it when you close it, so that it can ensure its safe operation.

Someone walked to the place where there is no need to sit, open and close it here every day, it should not need to be closed, and the closed one should work normally.

If someone writes about it, it's a very dangerous operation, and who says you still have to remember it for safety?

This is a very necessary electrical appliance, and we must be vigilant to prevent fires.

It is very normal for the laboratory power to be turned off every day when you leave, so it must be.

As far as the description is concerned, it is necessary. Because of the large number of people, some people want to forget something, and unnecessary safety accidents may occur. So this is the most basic safety precaution. It's a must.

When the main gate is closed, the refrigerator will definitely lose power. If your refrigerator is placed in the kitchen, it is generally controlled by the switch of the kitchen socket in the distribution box. If it is placed in the living room, it is controlled by the switch of the living room socket in the distribution box.

Generally, there is no need to cut off the power at home, for safety, you can close the main switch and the socket switch that controls the refrigerator, and the rest is powered off. Kitchen gas valve closure is fine. Try not to plug the charger at home into an outlet to prevent no one from being in danger.

In fact, there is no need to turn off the power switch. Because even if there is no one at home, the refrigerator still needs electricity, and if the refrigerator is intermittently disconnected, it will cause the food stored in the refrigerator to spoil. Even if the normal use of the refrigerator is not considered, the total power supply at home must be equipped with a leakage protector and overload protection function, once there is a problem with the circuit, the protector will definitely play a role.

If you insist on turning off the power supply, it is recommended to turn off the power supply switch of other power supply lines except for the refrigerator power supply line.

If you don't turn off the power strip, the computer will still consume power, but it is very small, it is recommended to put the power strip and the computer closer to me I usually turn it off, the TV upstairs is different from the computer, the TV directly turns off the total power supply, but when the computer is turned off, it has to go through a lot of components.

It doesn't matter if the computer is turned off or not, if you don't cut off the power supply, then the motherboard clock, which consumes very little power but still needs power, will be powered by your motherboard's battery. The biggest benefit of turning off the power is to prevent "once-in-a-century accidents", such as your home being struck by lightning, turning off the power can effectively protect the electrical appliances, in addition to reducing a little line loss.

The laboratory is a key fire prevention place, and once a fire occurs, the impact will be very large, and the loss will be very large.

The laboratory will have a relevant system, and the main power supply should be disconnected after leaving, which is considered from a safety point of view, because only turning off the power supply of commonly used electrical equipment is unreliable, and there is still the possibility of causing electrical fires. Therefore, it is necessary to turn off the main power switch when leaving the laboratory.

OK. However, it is important to remember that the switch on and off the load must be turned off at the end of the day.

If you have an electric water heater in your home, it is dangerous. Because the temperature is low, it will automatically heat up until the water is boiled dry, and it is still heated with electricity, and the wire is easy to cause disasters if it is overheated. A month is too long. To be on the safe side, it's best to tell your family or relatives to turn off the water heater switch.

If you have an electric water heater in your home, it is dangerous. Because the temperature is low, it will automatically heat up until the water is boiled dry, and it is still heated with electricity, and the wire is easy to cause disasters if it is overheated. A month is too long. To be on the safe side, it's best to tell your family or relatives to turn off the water heater switch.

a, the bulb is short-circuited, there is a current in the circuit voltmeter is also short-circuited, the indication is 0, the ammeter has an indication is not in line with the topic

B. The switch is disconnected, the whole suspect circuit is broken, there is no current in the circuit, the meter has no indication, and the light is not on

c. The filament is burned off, that is, the lamp is disconnected, the voltmeter is connected in series with the circuit, and the power supply voltage is shared, and the indication is close to the power supply electric commotion ridge voltage, and the ammeter has no indication, and the lamp is not lit in line with the topic

d. The sliding rheostat is burned out, the whole circuit is broken, there is no current in the circuit, the meter has no indication, and the light is not on

Therefore, C