diff --git a/elements/10_electric/10_allpole/110_network_supplies/qet_directory b/elements/10_electric/10_allpole/110_network_supplies/qet_directory
index e20320894..d780eabb2 100644
--- a/elements/10_electric/10_allpole/110_network_supplies/qet_directory
+++ b/elements/10_electric/10_allpole/110_network_supplies/qet_directory
@@ -2,6 +2,7 @@
     <names>
         <name lang="en">Network supplies</name>
         <name lang="fr">Sources réseau</name>
+        <name lang="pl">Sieć elektroenergetyczna</name>
         <name lang="de">Netzquellen</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/10_allpole/114_connections/qet_directory b/elements/10_electric/10_allpole/114_connections/qet_directory
index b4062394b..a071977b0 100644
--- a/elements/10_electric/10_allpole/114_connections/qet_directory
+++ b/elements/10_electric/10_allpole/114_connections/qet_directory
@@ -4,6 +4,7 @@
         <name lang="en">Connections</name>
         <name lang="fr">Connections</name>
         <name lang="it">Collegamenti</name>
+        <name lang="pl">Połączenie</name>
         <name lang="cs">Spojení</name>
         <name lang="el">Ενώσεις</name>
     </names>
diff --git a/elements/10_electric/10_allpole/120_cables&wiring/qet_directory b/elements/10_electric/10_allpole/120_cables&wiring/qet_directory
index 5b2a4be51..81fcb6d1a 100644
--- a/elements/10_electric/10_allpole/120_cables&wiring/qet_directory
+++ b/elements/10_electric/10_allpole/120_cables&wiring/qet_directory
@@ -2,6 +2,7 @@
     <names>
         <name lang="en">Cables and wiring</name>
         <name lang="fr">Câbles et filerie</name>
+        <name lang="pl">Przewody i kable</name>
         <name lang="de">Kabel und Verdrahtung</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/10_allpole/140_connectors&plugs/qet_directory b/elements/10_electric/10_allpole/140_connectors&plugs/qet_directory
index 239630f60..d5e54a76b 100644
--- a/elements/10_electric/10_allpole/140_connectors&plugs/qet_directory
+++ b/elements/10_electric/10_allpole/140_connectors&plugs/qet_directory
@@ -2,6 +2,7 @@
     <names>
         <name lang="en">Connectors and plugs</name>
         <name lang="fr">Connecteurs et prises</name>
+        <name lang="pl">Złącza wtykowe</name>
         <name lang="de">Steckverbinder und Steckdosen</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/10_allpole/200_fuses&protective_gears/qet_directory b/elements/10_electric/10_allpole/200_fuses&protective_gears/qet_directory
index 18d4317db..7dd7cf16e 100644
--- a/elements/10_electric/10_allpole/200_fuses&protective_gears/qet_directory
+++ b/elements/10_electric/10_allpole/200_fuses&protective_gears/qet_directory
@@ -2,6 +2,7 @@
     <names>
         <name lang="en">Fuses and protective gears</name>
         <name lang="fr">Fusibles et protections</name>
+        <name lang="pl">Łączniki i zabezpieczenia</name>
         <name lang="de">Sicherungen und Schutzeinrichtungen</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/10_allpole/310_relays_contactors&contacts/qet_directory b/elements/10_electric/10_allpole/310_relays_contactors&contacts/qet_directory
index 360606c9c..e72a6311a 100644
--- a/elements/10_electric/10_allpole/310_relays_contactors&contacts/qet_directory
+++ b/elements/10_electric/10_allpole/310_relays_contactors&contacts/qet_directory
@@ -2,6 +2,7 @@
     <names>
         <name lang="en">Relays, contactors and contacts</name>
         <name lang="fr">Relais, contacteurs et contactes</name>
+        <name lang="pl">Przekaźniki i styczniki</name>
         <name lang="de">Relais, Schütze und Kontakte</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/10_allpole/330_transformers&power_supplies/qet_directory b/elements/10_electric/10_allpole/330_transformers&power_supplies/qet_directory
index a951aed33..b42c4d43d 100644
--- a/elements/10_electric/10_allpole/330_transformers&power_supplies/qet_directory
+++ b/elements/10_electric/10_allpole/330_transformers&power_supplies/qet_directory
@@ -2,6 +2,7 @@
     <names>
         <name lang="en">Transformators and power supplies</name>
         <name lang="fr">Transformateurs et alimentations</name>
+        <name lang="pl">Transformatory i zasilacze</name>
         <name lang="de">Transformatoren und Versorgungen</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/10_allpole/340_converters&inverters/qet_directory b/elements/10_electric/10_allpole/340_converters&inverters/qet_directory
index 683acddcd..6bfb5d8ee 100644
--- a/elements/10_electric/10_allpole/340_converters&inverters/qet_directory
+++ b/elements/10_electric/10_allpole/340_converters&inverters/qet_directory
@@ -2,6 +2,7 @@
     <names>
         <name lang="en">Converters and inverters</name>
         <name lang="fr">Convertisseurs et variateurs</name>
+        <name lang="pl">Przetworniki i przekształtniki</name>
         <name lang="de">Umformer und Umrichter</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/10_allpole/380_signaling&operating/qet_directory b/elements/10_electric/10_allpole/380_signaling&operating/qet_directory
index 9dd14d662..c75a855af 100644
--- a/elements/10_electric/10_allpole/380_signaling&operating/qet_directory
+++ b/elements/10_electric/10_allpole/380_signaling&operating/qet_directory
@@ -2,6 +2,7 @@
     <names>
         <name lang="en">Signaling and operating</name>
         <name lang="fr">Signalétique et commande</name>
+        <name lang="pl">Obwody sterownicze</name>
         <name lang="de">Melde- und Bedieneinrichtungen</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/10_allpole/390_sensors&instruments/qet_directory b/elements/10_electric/10_allpole/390_sensors&instruments/qet_directory
index ee1838efa..b08ec4248 100644
--- a/elements/10_electric/10_allpole/390_sensors&instruments/qet_directory
+++ b/elements/10_electric/10_allpole/390_sensors&instruments/qet_directory
@@ -2,6 +2,7 @@
     <names>
         <name lang="en">Sensors and instruments</name>
         <name lang="fr">Capteurs et instruments</name>
+        <name lang="pl">Czujniki i przyrządy</name>
         <name lang="de">Sensoren und Messgeräte</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/10_allpole/391_consumers&actuators/qet_directory b/elements/10_electric/10_allpole/391_consumers&actuators/qet_directory
index fb6f6678e..03c71392b 100644
--- a/elements/10_electric/10_allpole/391_consumers&actuators/qet_directory
+++ b/elements/10_electric/10_allpole/391_consumers&actuators/qet_directory
@@ -2,6 +2,7 @@
     <names>
         <name lang="en">Consumers and actuators</name>
         <name lang="fr">Consommateurs et actionneurs</name>
+        <name lang="pl">Odbiorniki i urządzenia wykonawcze</name>
         <name lang="de">Verbraucher und Aktoren</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/10_allpole/395_electronics&semiconductors/qet_directory b/elements/10_electric/10_allpole/395_electronics&semiconductors/qet_directory
index b86e4645e..65d456f28 100644
--- a/elements/10_electric/10_allpole/395_electronics&semiconductors/qet_directory
+++ b/elements/10_electric/10_allpole/395_electronics&semiconductors/qet_directory
@@ -2,6 +2,7 @@
     <names>
         <name lang="en">Electronics and semiconductors</name>
         <name lang="fr">Electronique et semi-conducteurs</name>
+        <name lang="pl">Elektronika i półprzewodniki</name>
         <name lang="de">Elektronik und Halbleiter</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/10_allpole/qet_directory b/elements/10_electric/10_allpole/qet_directory
index 56ffc80d8..49770dd9b 100644
--- a/elements/10_electric/10_allpole/qet_directory
+++ b/elements/10_electric/10_allpole/qet_directory
@@ -2,6 +2,7 @@
     <names>
         <name lang="en">All-pole</name>
         <name lang="fr">Multifilaire</name>
+        <name lang="pl">Schematy wieloliniowe</name>
         <name lang="de">Allpolig</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/11_singlepole/qet_directory b/elements/10_electric/11_singlepole/qet_directory
index 1e8b05ad3..92f454de3 100644
--- a/elements/10_electric/11_singlepole/qet_directory
+++ b/elements/10_electric/11_singlepole/qet_directory
@@ -2,6 +2,7 @@
     <names>
         <name lang="en">Single pole</name>
         <name lang="fr">Unifilaire</name>
+        <name lang="pl">Schematy jednoliniowe</name>
         <name lang="de">Einpolig</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/qet_directory b/elements/10_electric/qet_directory
index de0268f4e..20ce7a4c2 100644
--- a/elements/10_electric/qet_directory
+++ b/elements/10_electric/qet_directory
@@ -2,6 +2,7 @@
     <names>
         <name lang="en">Electric</name>
         <name lang="fr">Electrique</name>
+        <name lang="pl">Elektrotechnika</name>
         <name lang="de">Elektrik</name>
     </names>
 </qet-directory>