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1. The floor number light is similar to the evacuation is just a sign, in the event of a fire, after the non-elimination is cut off, the floor number light is started (in the automatic state of the host), the light is turned on, showing the location of the floor exit, which is generally installed at the staircase.
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A command light of the fire bus, when it is on, it may mean that there are some fire accident vehicles that need to be dealt with, if you have been trained in that fire station, you will know about this.
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1) Enclosed stairwells, smoke-proof stairwells and their front rooms, front rooms of fire elevator rooms or shared front rooms, evacuation walkways, and refuge floors (rooms). (It is difficult to close your eyes (smoke) and light (electricity) money (before)).
2) Fire control room, fire pump room, self-provided generator room, power distribution room, smoke prevention and smoke exhaust machine room and other rooms that still need to work normally in the event of a fire.
3) Audience halls, exhibition halls, multi-function halls and business halls, restaurants, studios and other crowded places with a construction area of 200m2.
4) Evacuation walkways in underground or semi-underground public activity places and public buildings with a construction area of 100m2.
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The main front command light of the fire department is a command light in the fire protection system.
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It should be their password or something, because each place has a special password transmission, a different command.
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After all, each industry has its own professional terminology, so the professional terminology of each industry is not quite the same.
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What does it mean for the fire chief to sign the lantern? If you want to use your professional knowledge and skills, you can let the firefighters explain it to you.
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Mainly because this light has a signal function.
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Then this kind of case should be an indication only when dealing with emergencies.
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This means a command, and a light means an indicator light.
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Mr. Wang, what does it mean to wait for money orders? The command light of fire fighting means emergency rescue.
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The indicator light of the fire hydrant button is usually not lit, only the automatic inspection 50s flashes once, now there is only the alarm function, once it is started, the red indicator light is on; The previous one was with the function of starting the pump, that is, it could directly start the pump, and the green indicator light and the red feedback light were on after starting.
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There are usually two buttons.
Alarm button: that is, when a fire alarm occurs, the fire control room will receive a fire alarm after starting.
Fire pump start indicator: that is, when you start, you can see whether the fire pump in the pump room is started, and only after starting, there is water in the fire hydrant pipe.
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This is the emergency evacuation light set up in the door opening of the specific floor. This is talking about the intelligent evacuation system, the intelligent evacuation host is the beginning, and the lamp is the end.
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In general, electric light sources used as fire emergency lighting and evacuation indication signs require fast start-up characteristics, so incandescent lamps and fluorescent lamps that can quickly start point are often selected.
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n is the neutral line, and f represents the fire control line in the emergency lighting system.
NF is the fire zero line control line.
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As a precaution, firefighting equipment has been set up in many places. If these devices are misappropriated or damaged, people will be helpless in the event of a fire.
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In the event of a fire, the power supply will be cut off in the building, or the power supply will be consciously cut off in order to extinguish the fire. At this time, fire emergency lights need to be installed in some important parts. The main purpose is to ensure that the important parts are illuminated for a period of time in the event of a fire.
At the same time, fire emergency lights are also installed on some stairs or corridors, which are mainly to guide the people who escape in the event of a fire power outage.
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Type A lamps are said in the terminology, which are fire emergency lamps with the rated working voltage of the main power supply and battery power supply not greater than DC36V; According to the content of page 106, "the working voltage of the lamp's own battery is lower than DC36V", the main power supply of Type B lamps is 220V, and the backup power supply is less than 36V.
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Fire protection is divided into area A, area B, area C, simply put, area A is an area with flammable liquids, area B is combustible dust, and area C is combustible solids. Zone A is generally closed or contained, and Zone B must be contained.
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In the explanation of the provisions, it is said that the type B with its own power supply is a battery not greater than DC36V, and it will not cause great harm to the human body in case of fire.
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The rated working voltage of the main power supply and battery power supply of Type A fire emergency lamps is not greater than DC36V, and the rated working voltage of the main power supply or battery power supply of Type B fire emergency lamps is greater than DC36V or AC36V
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On March 1, 2019, GB51309-2018 "Technical Standard for Fire Emergency Lighting and Evacuation Indication System" was officially implemented, and one of the most concerned points in the industry is the definition and application of Type A fire emergency lamps and Type B fire emergency lamps.
According to the new regulations, A-type fire emergency lamps refer to the main power supply and battery power supply rated working voltage is not greater than DC36V fire emergency lamps, which can meet this requirement is generally intelligent fire emergency lamps. The B-type fire emergency lamp can be understood as the traditional ordinary fire emergency lamp with its own battery and DC220V.
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If there is an alarm from equipment such as a pressure switch or gas detector, it should be judged by the information on the display screen.
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A red light indicates an alarm, if there is smoke in the house, or dust is blown up by the wind, causing the detector to alarm.
Fire sprinkler: under the action of heat, it starts by itself according to a predetermined temperature range, or is activated by the control equipment according to the fire signal, and sprinkles water to extinguish the fire according to the designed sprinkler shape and flow rate. It is part of the sprinkler system.
Generally, the manufacturer's detector flashes once in a few seconds (there is a red light, a green light) for normal inspection, and the indicator light will be always on if it is a fire alarm or pollution status.
The automatic alarm detector for fire fighting, generally smoke detector.
Flashing is normal, and the status of the fire controller on the first floor should be displayed on the main unit.
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Sprinkler ** has a light? That's the mercury column of the sprinkler.
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The homophony of the lamp is etc. I'm waiting for you! Maybe it's her hinting that she likes you. is not together, but hopes that the boy will confess; Those who are already together are showing affection and sweetness, and even want to marry you. I hope my answer will help you.
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At the critical moment, it is a lifesaver.
How much does a firefighter get paid a month when working as such a dangerous firefighter? You don't believe it after reading it.