Big Discount FTL1 Outdoor Cable Branch Box to India Importers
Exterior and dimensions
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FTL1 outdoor cable branch box is suitable in power supply system with AC 50HZ, rated working voltage( 0-380V), the current is not greater than 630A for the use of power distribution. It is widely used in various low-voltage cable branch of residential quarters, industrial and mining enterprises, with a flexible, practical, safe and reliable features. The spire-type lid is conducive to the discharge and the bottom of the lid with a vent hole which guarantee the box components will not be condensated. There are double fold on the door to prevent watering and installed with a new outdoor door which general staff can not open.
FTL1 Outdoor Cable Branch Box meet GB7251.5-1998 standard and passed the CCC certificate.
In the time of Thomas Edison we used pocelain insulators “knob and tube” system. Rick DeLair shows us a working model with cleats, tubes and a 100+ year old light bulb with switch. John Harnden explains the influence of Czech pottery makers (Cermak Family) on development of insulators.