A terminal block (terminal strip) is a modular insulating block used to connect one or more circuits to each other. The terminal block is connected with the bare wire with screws or clamps to form a complete circuit. When two wires need to be connected sometimes, and sometimes they need to be disconnected, the terminal will provide a more flexible termination method than traditional winding solder, which is more convenient and faster.
But in the electrical industry, there is a saying: "Qualified electricians never use terminals." Why is there such a statement? Is this statement correct?
In fact, in the industry, everyone's evaluation of terminal blocks is relatively neutral. It is generally believed that the existence of terminal blocks can raise the lower limit of circuit construction quality, but it cannot reach the upper limit of manual construction.
At present, the level of electrician construction in my country is uneven. Even if it is related to electricity safety, most of the construction projects have neither supervision nor acceptance. The actual construction effect depends on the craftsmanship and consciousness of the workers themselves. In this case, the use of the terminal block is beautiful and safe, and the type is rich, the construction is convenient, and it is generally difficult to unplug after connection, and it does not damage the core, which is more reliable than the craftsmanship of the general construction personnel.
However, there is a risk of terminal quality. If there is a problem with the quality of the terminal, frequent inspections may be required in the future. For hand connection, as long as the standard screwing hot tin is used, a more reliable termination effect can be achieved. If the construction personnel only want to save trouble and do not connect according to the hard-wired wiring standard, but just twist a few times to fool things, then the wiring terminal is more reliable.
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