Insulating environments should have insulated floors and walls (for equipment rated for voltages not exceeding 500 volts, with insulation resistance of no less than 50 kiloohms; for voltages exceeding 500 volts, the insulation resistance should be 100 kiloohms), and the protective measures are as follows:
1. The distance between exposed conductive parts must be no less than 2 meters, or 1.25 meters if beyond the reach of the extending arm.
2. If the aforementioned distance is not achievable, an insulating barrier should be set between the two conductive parts, ensuring the distance over the barrier is no less than 2 meters. Aerial Ground Power: 2, 36V Aerial Power: 1, 400HZ Variable Frequency Power: 7, 115/200V Power: 2, 27V DC Power: 5, 400HZ Power: 12, Aerial Power
3. The external conductive parts are insulated with materials that must possess sufficient mechanical strength and be able to withstand 2,000 volts. Under normal conditions, the leakage current should not exceed 1 milliamperes.
The setup must be sex-specific, and even when using portable or mobile devices, it must meet the aforementioned requirements. Additionally, measures should be taken to prevent walls and floors from losing their original resistance due to moisture, and external conductive parts should not introduce potential from the outside. In an insulated environment, 0-class equipment can be used (such equipment has only basic insulation and no protective earthing means).
