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 Nowadays, with the rapid development of technology, some old cities are gradually being eliminated. Many projects such as old city reconstruction will use many materials, especially junction boxes. Although they look small, they are very important for construction. Junction boxes generally have two materials: metal junction boxes and plastic junction boxes. Do you know the difference between the two? Let's take a look together.

  First point: No matter where plastic junction boxes are used, whether indoors or outdoors, fire resistance must be considered. In this regard, metal junction boxes have greater advantages than plastic junction boxes. Although we choose flame-retardant materials when selecting plastic junction boxes, they can still be ignited in some cases, while metal junction boxes cannot. In terms of fire resistance, metal junction boxes are more suitable.

  Second point: From the perspective of construction and installation, plastic junction boxes have greater advantages than metal junction boxes. Plastic junction boxes have holes on all four sides, making installation very convenient. However, although metal junction boxes have locks, they are more troublesome to install. In this regard, plastic junction boxes have more advantages.