How to set the quota of broadcast lines?

Question 1: What should be the quota of the broadcasting switchboard? See where it is used. If it is used for fire fighting, please refer to 9-63 Fire Broadcasting Control Cabinet.

If it is used for background music, please refer to the junction box of 5-63 power room (Zhejiang province 10 quota). There is no express provision. Everyone understands and refers to it. The price is almost the same, and the quantity is not much. Generally, there is only one, so no one cares too much.

Question 2: What are the quotas for telephone lines and broadcast lines? 10 volume 12 chapter 1 laying telephone lines and broadcasting lines

Question 3: How to set the quota of power line, fire telephone line, fire broadcasting line and fire hydrant pump starting line in automatic alarm system? Now the budget software is very smart. You can directly search related keywords. Quota book 7 is applied to the fire fighting system, but quota book 2 is set in the threading part. You can look through it. The line is calculated as single line 100 meter, and you can apply for quota according to any construction requirements! It's simple. See Guanglianda for details.

For more comprehensive wiring knowledge, please visit Wuhan Fire Alarm Equipment Maintenance Network, specializing in the maintenance and construction of all kinds of fire alarm equipment and newly installed systems at home and abroad.

When designing, the design institute clearly stated the specifications of the wires, and it was necessary to find the corresponding items of the quota through the types of wires. In general, except for a single power supply and grounding wire, other wires use multiple flexible wires. The nearest single root is calculated according to the single root quota.

Question 4: What is the grade of the audio threading sleeve? Multi-core flexible conductor (in X core) shall pass through Ymm2. Where X can be dual-core or quad-core, it is useless to use too much. Y represents the cross-sectional area of the sound ray single core.

Question 5: What is the list and quota of TV cable stations? The list and quota of leaky coaxial cable laying are specified in Volume 12.

What is the quota of weak current distribution tube in TV cable station? The corresponding distribution pipe installation subtitle is executed in the electrical volume;

The TV cable administration room has intelligent fascicles, and the fascicles of RF transmission cables are placed in the administration room, and fascicles within 9mm are set according to the cable diameter;

If there is no intelligent volume, you can perform electric threading subtitles; According to the internal diameter of SYWV-75-5 (or similar, the same below), please refer to the subtitle of 4mm2 copper core wire, and above SYWV-75-7, please refer to the subtitle of 6mm2 dynamic lighting.

Question 7: What quota does the 7:SYV line apply to? How much quota do you use? Some quotas include laying this line.

Question 8: What is the quota of 225 sets of audio cable and gold and silver cable? Please refer to the instruction manual or call customer service, and we will usually give you a detailed explanation.

I believe you know this platform.

There must be a satisfactory harvest.

I sincerely hope I can help you. If you are satisfied, please adopt it. Good luck and always be with you.

Question 9: What is the quota of video line group? SYV TV cable is called closed-circuit cable, also known as coaxial cable, which is suitable for weak current intelligent "coaxial cable" quota.

Syv refers to solid polyethylene insulated coaxial cable, and the national standard code is radio frequency cable-also called "cable". As the name implies, wires are used to transmit signals. It is a coaxial cable for transmitting baseband analog signals. Generally, there are two kinds of impedances, 75 ohms and 50 ohms, which can also be divided into -3, -5, -7, -9 and other models according to the thickness.

Question 10: What fixed network cables are connected to the list equipment of Guanglianda? We can apply the quota subtitle in the chapter of building integrated wiring, and choose different quota subtitle according to the material and specifications of network lines.