1. When there is no design requirement, the installation height of lamps shall not be lower than the following values (except when voltage is used): 1) Outdoor: 2.5m (outdoor wall installation); 2) Workshop: 2.5m3) Indoor: 2m; 4) The flexible messenger wire with lifter is 0.8m after deployment.

Second, when the height of lamps from the ground is less than 2.4m, the lamps with rated voltage of 36V and below shall be used, or special protection measures shall be taken. When the height of the lamp from the ground is less than 2.4m, the exposed conductor that the lamp can touch must be grounded (PE) or grounded (PEN), and there are special grounding bolts and signs.

As for the types of lights, it depends on the specific situation and environment.