The Small Power Distribution Unit (SPDU) shall be made of non combustible materials. The installation position of the Small Power Distribution Unit (SPDU) manufacturer shall avoid direct sunlight, splashing and moisture, and there shall be sufficient operation space in front. Open distribution boards can be installed in production sites and offices with low risk of electric shock.

All electrical components, switches and lines of the Small Power Distribution Unit (SPDU) shall be arranged neatly, installed firmly and operated conveniently; The Small Power Distribution Unit (SPDU) shall be free of dust, water and sundries. Many small details of the use of the Small Power Distribution Unit (SPDU) should not be careless. The equipment components placed by the manufacturer of the Small Power Distribution Unit (SPDU) should be used with care. These equipment and the Small Power Distribution Unit (SPDU) are protected, and most of the distribution equipment are impressed by the internal heat, so the temperature of the distribution cabinet should be controlled to ensure the normal operation of the equipment.

In order to ensure the normal power supply and safety, the relevant departments need to regularly maintain the distribution cabinet. Specific time intervals, depending on the years used for Small Power Distribution Unit (SPDU).

The manufacturer of the Small Power Distribution Unit (SPDU) said that since the operation and maintenance of the Small Power Distribution Unit (SPDU) are often not the same person, the first thing to do is to carry out the work. Once the power supply operation is completed, the maintenance personnel of the Small Power Distribution Unit (SPDU) need to discharge and check the Small Power Distribution Unit (SPDU). Mainly to ensure safety.