What are the common faults and precautions of hotel electricians?

Maintenance electricians mainly master: knowledge and basic skills of maintenance electricians, installation of indoor wiring, installation and maintenance of grounding devices, overhaul and maintenance of common transformers, disassembly and maintenance of common motors, installation and maintenance of common low-voltage appliances and distribution devices, installation and maintenance of basic control circuits of motors, installation and maintenance of electrical circuits of common machine tools, installation and debugging of electronic circuits, design of electrical control circuits, programmable controllers and their applications.

1, engaged in electrical work, must have basic knowledge of electrical, apprentices and interns are not allowed to work alone; Non-electrical personnel are prohibited from engaging in electrical operations. 2. It is forbidden to pull the isolating switch and knife switch with load. 3. The installation positions of transmission lines, electrical equipment and switches should not affect the passage of people and vehicles, and the shell of electrical equipment should be reliably grounded and connected to zero. 4. When using a ladder, there should be someone under supervision, and it is forbidden for more than two people (including two people) to work on the same ladder. 5. It is forbidden to replace small-capacity fuses with large-capacity fuses or replace them with copper and aluminum wires. 6, high and low voltage transformer room equipment and motor, after inspection, before sending commissioning personnel should stand in a safe area. 7, engaged in field work, aerial work, there must be more than two people. 8, equipment and lines are not charged, not easy to touch. 9. When the ground voltage is above 250 volts, live working is prohibited; When it is lower than 250 volts, safety measures must be taken when live working is needed. 10, should stop working in a thunderstorm, and shall not be near the charged body. 1 1. After the maintenance personnel finish their work, they should count the tools to prevent accidents caused by forgetting them. 12, stop sending must have someone to contact the relevant departments, it is forbidden to stop sending or make an appointment to send. 13. If there are live parts on both sides and rear of the staff, special protective fences should be installed. 14. When working on equipment that has been cut off but is not equipped with grounding wire, the equipment should be discharged to the ground first.