Common problems of fire emergency lighting power supply

1 when the first load

By using the main power supply and emergency power supply dual power supply, and the tree dry or radial power supply, should be set according to the fire emergency lighting distribution box, and should be at the end of the double power supply automatic switching.

When the emergency lamp with the accumulator is used, the utility model can be provided with a dedicated circuit from the emergency main line section, and the trunk type power supply is arranged. 2 when the load is two

The utility model is characterized in that the trunk type power supply is provided with a double return line, and an emergency lighting distribution box is arranged according to the fire protection zone.

When an emergency lamp with a battery is adopted, the trunk type power supply can be provided by a single return line, and an emergency lighting distribution box is arranged according to the fire protection zone.

Tags: Electrical Design of electrical lighting design