Cable Tray is power, control cables, separated by facility formulary, and a power Cable Tray wiring with the control and communication cables, Cable Tray, from the top high pressure, low pressure,
Cable Tray and facilities are separated for power and control cables for the pharmacopoeia, we do not have the control wiring Cable Tray With the power and communication cables, high voltage, low voltage Cable Tray from the top,
the Cable Tray is power, weak control cable used to distinguish, the facilities, the use of Tray Cable power, control and signal cables and wiring is not Cable Tray business, from the high voltage and low voltage.