Road traffic signs and set norms

A substation set limits height, speed, etc. prohibition signs, the basic form of generally circular, white, red circle, black pattern. Its setting, location, form, size, traffic road sign pattern and color should be consistent with GB5768.2-2009 "The second part of the road traffic signs and markings: road traffic signs", GB4387-2008 "Industrial enterprises long railway, road transport safety regulations "requirement.
2, limit the height of signs
3, limit the height of traffic signal signs indicating the prohibition loading height exceeds the value mark where the vehicles.
Maximum allowable 4, substation entrance, the entrance to the different voltage levels and other equipment area highly restricted areas should be set to limit the height of signs (device).
5, limit the height of signs basic shape is round, white, red circle, black pattern.