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6-20 characters(letters plus numbers only)
The password is inconsistent
A cross arm composite insulator consists of a series of porcelain or composite disks stacked together with a metal or composite rod passing through the center. The disks are designed to provide electrical insulation and support the conductor, while the rod provides mechanical strength and stability. Disk type insulators are known for their high mechanical strength, excellent electrical insulation properties, and resistance to environmental factors such as pollution and weather conditions.