Installing transducers close to one another does have some effect from the currents to be measured being in close proximity to one another at the measuring point. The question is to what degree. 10ADC and even 30ADC are relatively lower currents than hundreds, and also have a relatively minor cross talk with our transducers. The accuracy of 1% is not greatly affected. You could probably be safe mounting as close as comfortable wiring allows. However, if you are concerned, a good rule of thumb is 80 mm (3 inches) separation usually will minimize any crosstalk.