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Shenyang Shunming Electrical Installation Engineering Co., Ltd.

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technical knowledge

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  • Technical specifications for installation of low-voltage switchgear in electrical installation engineering

    Key points for installation of low-voltage switchgear in electrical engineering installation: ① The installation of low-voltage switchgear should be based on the cabinets on both sides of the bus bridge to ensure that the two sides of the cabinet are in place, and the left and right deviation is less than 2mm. ② The power distribution equipment in the low-voltage switchgear shall be connected to the grounding device with flat steel, and the connection points of each equipment shall be no less than 2. ③ Three cores entering low voltage switch cabinet
    Release time: 2018-12-29 Clicks: 17

  • How to distinguish network cables? Eight-step electrical installation engineering manufacturer helps you choose a network cable

    Many people do n’t know how to divide the electrical engineering network cables. From the appearance, each network cable is similar. How can you identify the counterpart of the product you bought? In fact, the network cable is divided into four iron and four aluminum wires, all copper network cables! So distinguish It is important that the network cables we buy are all copper or iron and aluminum. Here I will teach you how to distinguish the network cables. How to distinguish network cables? Eight steps to teach
    Release time: 2018-12-29 Clicks: 11

  • Installation height of switch socket in electrical installation project?

    Installation height of switch socket in electrical engineering installation? The installation height of the switch socket directly affects the convenience and comfort of people, and also affects the visual beauty, so we must pay attention to the circuit modification. All lamps are 1300mm to 1400mm away from the ground and 100mm to 2000mm away from the door. Living room: 1: Except special
    Release time: 2018-12-29 Clicks: 9

  • Inspection of power equipment failures in electrical engineering

    The failure of electrical engineering equipment is judged based on external performance. The following describes the methods and steps for checking the failure. 1. Investigation situation: Ask the operator and the personnel present at the fault about the situation, including the external performance of the fault, the approximate location, and the environmental situation at the time of the fault. If there is no abnormal gas, open flame, whether the heat source is close to the power equipment, whether there is corrosive gas intrusion, whether there is water leakage,
    Release time: 2018-12-29 Clicks: 6

  • What should we pay attention to in electrical installation and commissioning in electrical installation projects?

    What should we pay attention to when installing and debugging electric power in electrical engineering installation? After the construction of the power installation project is completed, it is necessary to carry out inspection and debugging for the normal operation of the entire power distribution system. Through power installation and commissioning, check for problems in the process of power installation construction and timely and error-free maintenance to ensure normal power-on. Electrical components-commissioning of circuit breakers
    Release time: 2018-12-29 Clicks: 18

  • The installation of large luminaires needs to be cautious, safe and secure.

    In modern decoration, many people will choose to install dazzling crystal lamps or chandeliers with various shapes. On the one hand, they can play a good role in decoration, and on the other hand, they also improve the quality of the entire home. So what precautions should be taken when installing large lamps? Follow along with the editor to understand it. First, chandelier installation guide & nbs
    Release time: 2018-12-29 Clicks: 13

  • The lamp installation manufacturer tells you how to identify the quality of the lamp

    Large lamp installation manufacturers tell you how to identify the quality of lamps. In the traditional lamp market, there are all kinds of lamps, some are hanging from the ceiling, some are on the wall, and some are on the ground. How are they classified and what are their names? The matching lighting arrangement of rice lamps avoids “confusion and complexity”, spotlights, downlights, and lanterns
    Release time: 2018-12-29 Clicks: 15

  • Installation steps of combination lamps, master the installation method of large combination lamps

    Many times, people will have the idea of “the lamps look beautiful and want to be installed in their own homes”, but they do n’t know how to install them, and whether the installation process is complicated. , And my heart is beautiful. If the merchant provides installation services for combined luminaires, we need to ask whether there are additional charges and specific details; if
    Release time: 2018-12-28 Clicks: 10

  • Problems and Solutions in Electrical Installation Engineering Commissioning

    In the process of electrical engineering installation, we must attach great importance to every installation detail, conduct a comprehensive understanding and analysis of all installation work and links, and complete all electrical installation and commissioning processing technical work based on this This ensures the stable and safe operation of the power system, and also effectively promotes the development of electrical installation and debugging processing technology. Electricity
    Release time: 2018-12-28 Click times: 13

  • 4 points of attention for POE power supply in weak current engineering monitoring system

    Four points of attention for POE power supply in weak current engineering monitoring system Nowadays, network digital surveillance cameras often use POE switches, because POE switches are based on ordinary switches and add power supply modules. The POE switch can supply power to the network camera through the network cable. It not only has all the functions of the switch, but also provides camera power. General output power 1
    Release time: 2018-12-28 Click times: 13

  • What are the hidden projects in electrical engineering?

    The concealed works of electrical engineering installation are the conduits laid in brick walls, beams, columns, floors, and ceilings; buried in walls or floors, roof boxes, terminal boxes, switch boxes, etc. can not be seen after completion The part is considered as hidden work. What are the later electrical installation projects? The later electrical installation works generally refer to the end of home decoration after the completion of soil, wood, and paint.
    Release time: 2018-12-28 Clicks: 27

  • What are the installation methods for large lamps?

    Large indoor luminaires are a collective term for luminaires used in indoor living and working environments. This type of lamps has both decorative and lighting functions. The light source used is incandescent lamps (including halogen lamps) or fluorescent lamps of various shapes and powers. Indoor lights can be divided into 6 types: recessed lights, ceiling lights, chandeliers, wall lights, removable lights and track lights according to the installation form. Mounted on the ceiling surface,
    Release time: 2018-12-28 Click times: 13

  • Introduction and installation steps of various large lamps

    Introduction and installation steps of various large-scale luminaires I. Pendant lamp: When the pendant lamp is installed on the concrete top surface, it can be fastened with embedded parts, penetrating bolts and expanded pipe bolts. Depending on the theme and weight of the luminaire during installation, the specifications of the expanded pipe bolts should be determined, but the size should not be less than M6 (mm), the multi-headed chandelier should not be less than M8 (mm), and the number of bolts should be at least two. Light
    Release time: 2018-12-28 Clicks: 57

  • What are the electrical installation projects

    What are the electrical engineering installations? Electrical installation: electrical installation, electrical equipment installation, transformer installation, box-type substation installation, complete power distribution cabinets, control cabinets and power, lighting distribution boxes and control cabinet installations, wires, cable ducts Laying and trunking, laying of wires, cable ducts and trunking, cable head making, wire connection and line electrical testing, construction
    Release time: 2018-12-28 Clicks: 11

  • Do you know the preparations before installing the fiber optic bridge?

    Preparations before the installation and construction of the optical fiber bridge: 1. Contact the buyer's personnel to go through the relevant procedures (material delivery, personnel entry, safety instructions, construction orders, inspection records, borrowing tools, equipment, entry and exit registration, etc.), Arrange specific contact persons to carry out construction in accordance with the specific requirements of the acquirer; 2. Before entering the construction site, the relevant procedures must be completed in accordance with the requirements of the constructor
    Release time: 2018-12-10 Click times: 24

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