2701417:12

Terminal Blocks – Accessories – Marker Strips

2701417:12 application field and working principle is mainly refers to the situation that a terminal block is used to interconnect two or more wires in industrial electrical systems, control panels and other related device. A terminal block connector is a device that provides a means of connecting electrical circuits to a larger electrical system or circuits, as well as providing insulation for these connections.Terminal blocks have been widely used in automotive, signal control, and power equipment applications for decades. They have the advantages of low inductance, voltage and current ranges, and flexibility in design, installation, and operation. They have made them popular in a variety of different industries.Terminal blocks are typically made from a metal base, such as copper or aluminum, and a polyvinyl chloride (PVC) or high-temperature insulation material (such as silicone rubber). The base is typically nickel-plated for corrosion resistance. The terminal blocks are then heated and soldered together.The base of the terminal block is used to terminate the electrical conductor, such as a wire, and the insulation material is used to provide a barrier between the electrical conductor and any other electrical components. Terminal blocks can be used in a variety of applications, such as: data communications, lighting, telephone, power distribution, industrial control, instrumentation, CATV, audio, or any other application requiring a reliable, safe, and secure connection.Terminal blocks come in a variety of sizes, shapes, and colors, depending on the application. There are several types of terminal block connectors, including screw type, push type, and spring loaded.Most terminal blocks come with an “electromagnetic marking strip”, which is used to mark the connection point. This marking strip is typically made of a paintable material such as a vinyl film or a polyester and it is printed with a number or code. The code is used to identify the connection point and can be read by the technician for troubleshooting.When connecting terminals with different conductors, the best practice is to first select the correct size of the terminal block for the application. It is important to make sure that the terminal block is the correct size for the conductor, as different sizes will require different levels of torque, and may even require some electrical cutting or filing. Once the correct size of the terminal block is selected, the insulation should be firmly secured to the terminal block.Once the terminals and insulation are properly connected, the wire should be attached. The wire should be stripped according to the wire size and the insulation length and diameter. The stripped end of the wire is then placed into the terminal block and carefully secured with the screws. Once the wire is secured, the conductor and the connector should be tested for continuity with a multi-meter or a continuity tester. Once the connections are tested and all wires have been connected, the cover can be attached to the terminal block to secure the wires and the connections. The cover should be selected to match the type of conductor and the type of terminal block. The covers are typically a plastic material that is secured with screws, and they should be placed carefully to avoid electrical shock.Marker strips are adhesive strips or tapes that are applied to the surface of the terminal block. They serve the purpose of labeling and helping the technician in identifying the proper connection points in the field. Marker strip tags generally include the type of wire, the wire number or code, and other pertinent information for the technician to know.In conclusion, terminal blocks are an essential part of most electrical systems, control panels, and appliances. The application fields and working principles of terminal blocks must be well understood and practiced in order to make sure connections are correct and secure. Marker strips are a convenient way to label and identify the proper connections so they can be easily identified in the field.

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