diff --git a/src/wireviz/DataClasses.py b/src/wireviz/DataClasses.py
index a27ae0ea..3e01ae1d 100644
--- a/src/wireviz/DataClasses.py
+++ b/src/wireviz/DataClasses.py
@@ -88,6 +88,7 @@ class Cable:
     show_name: bool = True
     show_wirecount: bool = True
     ignore_in_bom: bool = False
+    additional_components: List[Any] = None
 
     def __post_init__(self):
 
diff --git a/src/wireviz/Harness.py b/src/wireviz/Harness.py
index 449aa87e..f4077217 100644
--- a/src/wireviz/Harness.py
+++ b/src/wireviz/Harness.py
@@ -113,25 +113,25 @@ def create_graph(self) -> Graph:
                         '<!-- connector table -->']
                 if connector.additional_components is not None:
                     rows.append(["Additional components"])
-                for extra in connector.additional_components:
-                    if 'qty' in extra:
-                        if isinstance(extra['qty'], int) or isinstance(extra['qty'], float):
-                            qty = extra['qty']
-                        else:  # check for special quantities
-                            if extra['qty'] == 'pincount':
-                                qty = connector.pincount
-                            elif extra['qty'] == 'connectioncount':
-                                qty = sum(1 for value in connector.visible_pins.values() if value is True)
-                            else:
-                                raise ValueError('invalid aty parameter')
-                    else:
-                        qty = 1
-                    rows.append([extra["type"], qty])
-                    rows.append([extra["manufacturer"],
-                                 f'MPN: {extra["manufacturer_part_number"]}' if "manufacturer_part_number" in extra else None,
-                                 f'IPN: {extra["internal_part_number"]}' if "internal_part_number" in extra else None],)
-                rows.append([html_line_breaks(connector.notes)])
-                html = nested_html_table(rows)
+                    for extra in connector.additional_components:
+                        if 'qty' in extra:
+                            if isinstance(extra['qty'], int) or isinstance(extra['qty'], float):
+                                qty = extra['qty']
+                            else:  # check for special quantities
+                                if extra['qty'] == 'pincount':
+                                    qty = connector.pincount
+                                elif extra['qty'] == 'connectioncount':
+                                    qty = sum(1 for value in connector.visible_pins.values() if value is True)
+                                else:
+                                    raise ValueError('invalid aty parameter')
+                        else:
+                            qty = 1
+                        rows.append([extra["type"], qty])
+                        rows.append([extra["manufacturer"],
+                                     f'MPN: {extra["manufacturer_part_number"]}' if "manufacturer_part_number" in extra else None,
+                                     f'IPN: {extra["internal_part_number"]}' if "internal_part_number" in extra else None],)
+                    rows.append([html_line_breaks(connector.notes)])
+                    html = nested_html_table(rows)
 
                 pinouts = []
                 for pinnumber, pinname in zip(connector.pinnumbers, connector.pinout):
@@ -263,6 +263,44 @@ def create_graph(self) -> Graph:
             html = f'{html}</table>'  # conductor table
 
             html = f'{html}</td></tr>'  # main table
+
+            if cable.additional_components is not None:
+                html = f'{html}<tr><td cellpadding="3" border="1" balign="left">Additional components</td></tr>'  # notes table
+                for extra in cable.additional_components:
+                    if 'qty' in extra:
+                        if isinstance(extra['qty'], int) or isinstance(extra['qty'], float):
+                            qty = extra['qty']
+                        else:  # check for special quantities
+                            if extra['qty'] == 'wirecount':
+                                qty = cable.wirecount
+                            elif extra['qty'] == 'terminations':
+                                qty = len(cable.connections)
+                            elif extra['qty'] == 'length':
+                                qty = cable.length
+                            elif extra['qty'] == 'total_length':
+                                qty = cable.length * cable.wirecount
+                            else:
+                                raise ValueError('invalid aty parameter {}'.format(extra["qty"]))
+                    else:
+                        qty = 1
+
+                    html = f'{html}<tr><td colspan="{len(attributes)}" border="1" cellpadding="0"><table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>'
+                    html = f'{html}<td sides="R">{extra["type"]}</td>'
+                    html = f'{html}<td border="0">{qty}</td>'
+                    html = f'{html}</tr></table></td></tr>'
+
+                    identification = [extra.get("manufacturer", None),
+                                      f'MPN: {extra["manufacturer_part_number"]}' if "manufacturer_part_number" in extra else None,
+                                      f'IPN: {extra["internal_part_number"]}' if "internal_part_number" in extra else None]
+                    identification = list(filter(None, identification))
+                    if(len(identification) > 0):  # print an identification row if values specified
+                        html = f'{html}<tr><td colspan="{len(attributes)}" border="1" cellpadding="0"><table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>'
+                        for attrib in identification[0:-1]:
+                            html = f'{html}<td sides="R">{attrib}</td>'  # all columns except last have a border on the right (sides="R")
+                        if len(identification) > 0:
+                            html = f'{html}<td border="0">{identification[-1]}</td>'  # last column has no border on the right because the enclosing table borders it
+                        html = f'{html}</tr></table></td></tr>'  # end identification row
+
             if cable.notes:
                 html = f'{html}<tr><td cellpadding="3" balign="left">{html_line_breaks(cable.notes)}</td></tr>'  # notes table
                 html = f'{html}<tr><td>&nbsp;</td></tr>'  # spacer at the end
@@ -363,6 +401,7 @@ def bom(self):
         bom_connectors = []
         bom_connectors_extra = []
         bom_cables = []
+        bom_cables_extra = []
         bom_extra = []
         # connectors
         connector_group = lambda c: (c.type, c.subtype, c.pincount, c.manufacturer, c.manufacturer_part_number, c.internal_part_number)
@@ -471,6 +510,52 @@ def bom(self):
             bom_cables = sorted(bom_cables, key=lambda k: k['item'])  # sort list of dicts by their values (https://stackoverflow.com/a/73050)
         bom.extend(bom_cables)
 
+        cables_extra = []
+        for cable in self.cables.values():
+            if cable.additional_components:
+                for part in cable.additional_components:
+                    if 'qty' in part:
+                        if isinstance(part['qty'], int) or isinstance(part['qty'], float):
+                            qty = part['qty']
+                        else:  # check for special quantities
+                            if part['qty'] == 'wirecount':
+                                qty = cable.wirecount
+                            elif part['qty'] == 'terminations':
+                                qty = len(cable.connections)
+                            elif part['qty'] == 'length':
+                                qty = cable.length
+                            elif part['qty'] == 'total_length':
+                                qty = cable.length * cable.wirecount
+                            else:
+                                raise ValueError('invalid aty parameter')
+                    else:
+                        qty = 1
+                    cables_extra.append(
+                        {
+                            'type': part.get('type', None),
+                            'qty': qty,
+                            'unit': part.get('unit', None),
+                            'manufacturer': part.get('manufacturer', None),
+                            'manufacturer part number': part.get('manufacturer_part_number', None),
+                            'internal part number': part.get('internal_part_number', None),
+                            'designator': connector.name
+                        }
+                    )
+        cables_extra_group = lambda ce: (ce['type'], ce['qty'], ce['unit'], ce['manufacturer'], ce['manufacturer part number'], ce['internal part number'])
+        for group in Counter([connector_extra_group(v) for v in cables_extra]):
+            items = [v for v in cables_extra if connector_extra_group(v) == group]
+            shared = items[0]
+            designators = [i['designator'] for i in items]
+            designators = list(dict.fromkeys(designators))  # remove duplicates
+            designators.sort()
+            total_qty = sum(i['qty'] for i in items)
+
+            item = {'item': shared['type'], 'qty': round(total_qty, 3), 'unit': shared['unit'], 'designators': designators,
+                    'manufacturer': shared['manufacturer'], 'manufacturer part number': shared['manufacturer part number'], 'internal part number': shared['internal part number']}
+            bom_cables_extra.append(item)
+            bom_cables_extra = sorted(bom_cables_extra, key=lambda k: k['item'])  # sort list of dicts by their values (https://stackoverflow.com/a/73050)
+        bom.extend(bom_cables_extra)
+
         for item in self.additional_bom_items:
             name = item['description'] if item.get('description', None) else ''
             if isinstance(item.get('designators', None), List):