What are the basic requirements for electrical equipment in the safety technology?

1, on the ground exposed and easy to reach the person charged equipment to take reliable protective measures; 2, the charged part of the equipment to the ground and other charged parts of each other to maintain a certain safety distance; 3, easy to produce over-voltage hazards of the electric power system to take lightning rods, lightning wires, lightning arrester, protection gaps, and other over-voltage protection devices; 4, on the low-voltage electric power system using grounding, grounding and zeroing protection; 5, on the A variety of high-voltage power equipment using fuses, automatic switches, power outages and other different types of protective measures, low-voltage power equipment should be used to protect the corresponding low-voltage appliances 6, in the electrical equipment system and the relevant workplace installed safety signs; 7, according to some of the characteristics of the electrical equipment and the requirements of the adoption of special safety measures.