(version 1)
(rule "GND-Waermefallen min. 1 Steg"
  (condition "A.NetName == 'GND'")
  (constraint min_resolved_spokes 1))
(rule "230 V zu Kleinspannung min. 4 mm"
  (condition "A.NetClass == 'Mains' && B.NetClass != 'Mains'")
  (constraint clearance (min 4mm)))
(rule "230 V zu Relaisspule (Relais-intern) min. 3 mm"
  (condition "A.NetClass == 'Mains' && B.NetClass != 'Mains' && (A.memberOfFootprint('K1') || B.memberOfFootprint('K1'))")
  (constraint clearance (min 3mm)))