Following diagram shows how to supply NXPTZ SERIES 2 PTZ through MBX or COMB junction box, using its pre-assembled unarmoured cable.
With MBX (or COMB) is possible to supply one PTZ and its relevant washer system.
In case MBX (or COMB) junction box is not present, based on the power supply available, the interconnections will be as shown below.
For 24Vac power supply:
For 120Vac/230Vac, an external relay must be used for washer activaction: