5. When wiring, leave a 2m margin for each cable out of the lower bridge port according to the actual situation to ensure that the cable connected to the control box is long enough.
5. When wiring, according to the actual situation of each cable out of the lower bridge port to leave 2m margin, to ensure that the cable access control box is long enough.
5. According to the actual situation, a margin of 2m shall be reserved for each cable out of the lower bridge opening to ensure that the cable connected to the control box is long enough.