final Iterator<JsonNode> nodes = obj.path("Connector").iterator();
while (nodes.hasNext()) {
final ObjectNode node = (ObjectNode) nodes.next();
final JsonNode current = node.path("RatedOutputVoltage");
if (!current.isMissingNode() && !current.isNull()) {
final int value = Integer.parseInt(current.asText());
node.put("RatedOutputVoltage", value);
}
if (current.isNull()) {
node.remove("RatedOutputVoltage");
}