ElementId elementId = new ElementId(BuiltInParameter.RBS_ELEC_CIRCUIT_PANEL_PARAM);
ParameterValueProvider providerPV = new ParameterValueProvider(elementId);
FilterStringRuleEvaluator evaluatorFR = new FilterStringEquals();
FilterRule filterRule = new FilterStringRule(providerPV,
evaluatorFR,
nameNKU,
false);
ElementParameterFilter filterEP = new ElementParameterFilter(filterRule);
FilteredElementCollector collectors = new FilteredElementCollector(doc)
.OfCategory(BuiltInCategory.OST_ElectricalCircuit)
.WherePasses(filterEP);
foreach (Element item in collectors)
{
// как узнать максимальную длину с FarthestDevice или AllDevices?
}