With the continuous development of modern society, fire alarm systems are increasingly used in buildings, commercial places and various public places.
Depending on the cross section of the wire, the single-core wire wiring method often adopts the splicing method and the binding method:
most single-core cables are used, and the relationship between its core and the metal shield can be regarded as the relationship between the coil and the iron core in the primary winding of a transformer.
High voltage resistant wire using high voltage resistant silicone rubber material as insulating layer.
