standards and specifications for the transformation of power supply facilities in the market

the farmers' market should be equipped with safe power supply facilities that meet the electricity load, and must meet the requirements of the relevant national electrical design and installation specifications.

The indoor and outdoor wires in the farmers' market are mainly laid by dark wires, and the insulation and sheath of cables should be low smoke, low toxicity and flame retardant; When the indoor and outdoor wires of the farmer's market are exposed, they should be laid through metal pipes.

The lighting lamps shall be arranged above the stalls in the farmers' market, along the main passage and the shopping passage according to relevant regulations; Emergency lighting should be set at the entrance and exit of the safe evacuation, and the emergency lighting should use battery power supply system; Emergency lighting time should not be less than 31min, and illumination should not be less than 5lux.

the illumination standard in the trading hall of farmers' market should not be less than 211lx; The illumination standard of booth lighting should not be less than 211lux, and the light source should be 1.51 m ~ 2.11 m higher than the countertop. Lighting in special areas can appropriately increase the vertical illumination value of the light according to the demand. The limit value of lighting power density in farmers' market is: current value ≤9W/㎡, and target value ≤8W/㎡.

the lighting of farmers' market generally adopts centralized control mode. Local independent functional areas can be controlled locally.

the power lines and sockets in the farmers' market should meet the requirements of market transactions, electronic scales and other electricity consumption.

the wiring specifications and sockets in the freezing area should meet the power consumption requirements of the refrigerated fresh-keeping cabinet; In case of power failure under special circumstances, the stall owner should bring his own generator to supply power for the refrigeration equipment.

In areas with high water consumption, such as poultry business areas, meat business areas and aquatic products business areas in farmers' markets, waterproof power switches, waterproof sockets and moisture-proof lighting lamps should be used, and the protective covers of lamps should be moisture-proof and dust-proof products.

each business area of the farmer's market should be equipped with power sockets with ground wires that meet the requirements of low-voltage electrical appliances, and equipped with leakage protection devices with ground wires.

each electricity booth in the farmer's market should be equipped with metering devices independently, and other functional areas should be equipped with metering devices respectively.

medium and large farmers' markets should be equipped with communication network systems.