diff --git a/elements/10_electric/10_allpole/110_network_supplies/src_3p.elmt b/elements/10_electric/10_allpole/110_network_supplies/src_3p.elmt
index 3382fa6cf..1d2c6063b 100644
--- a/elements/10_electric/10_allpole/110_network_supplies/src_3p.elmt
+++ b/elements/10_electric/10_allpole/110_network_supplies/src_3p.elmt
@@ -6,7 +6,7 @@
         <name lang="nl">3fasen</name>
         <name lang="el">Τριφασικό</name>
         <name lang="de">Drehstrom</name>
-        <name lang="cs">Třípólový zdroj</name>
+        <name lang="cs">Přípojnice 3f</name>
         <name lang="pl">Linia trójfazowa (trójprzewodowa)</name>
         <name lang="it">Sorgente tripolare</name>
         <name lang="ar">مصدر ثلاثي القطبيّة</name>
diff --git a/elements/10_electric/10_allpole/110_network_supplies/src_3p_pen.elmt b/elements/10_electric/10_allpole/110_network_supplies/src_3p_pen.elmt
index 8116ac067..80d3f368a 100644
--- a/elements/10_electric/10_allpole/110_network_supplies/src_3p_pen.elmt
+++ b/elements/10_electric/10_allpole/110_network_supplies/src_3p_pen.elmt
@@ -5,7 +5,7 @@
         <name lang="nl">driefasen + aardenul</name>
         <name lang="el">Τριφασικό + PEN</name>
         <name lang="de">Drehstrom + PEN</name>
-        <name lang="cs">Přípojnice 3f+N</name>
+        <name lang="cs">Přípojnice 3f+PEN</name>
         <name lang="pl">Linia trójfazowa (PEN)</name>
         <name lang="it">Sorgente tripolare + PEN</name>
         <name lang="ar">مصدر ثلاثي القطبيّة + PEN</name>
diff --git a/elements/10_electric/10_allpole/140_connectors&plugs/15_connectors_dsub/qet_directory b/elements/10_electric/10_allpole/140_connectors&plugs/15_connectors_dsub/qet_directory
index 6fce7ec89..31e8711a2 100644
--- a/elements/10_electric/10_allpole/140_connectors&plugs/15_connectors_dsub/qet_directory
+++ b/elements/10_electric/10_allpole/140_connectors&plugs/15_connectors_dsub/qet_directory
@@ -8,7 +8,7 @@
         <name lang="pl">Złącza D-Sub</name>
         <name lang="fr">Connecteurs D-sub</name>
         <name lang="it">Connettori D-Sub</name>
-        <name lang="cs">Kulaté konektory</name>
+        <name lang="cs">Konektory D-Sub</name>
         <name lang="da">Stik D-sub</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/10_allpole/140_connectors&plugs/20_socket_outlets/pc_mono2.elmt b/elements/10_electric/10_allpole/140_connectors&plugs/20_socket_outlets/pc_mono2.elmt
index 5b3e8c44d..6d5b389bd 100644
--- a/elements/10_electric/10_allpole/140_connectors&plugs/20_socket_outlets/pc_mono2.elmt
+++ b/elements/10_electric/10_allpole/140_connectors&plugs/20_socket_outlets/pc_mono2.elmt
@@ -4,7 +4,7 @@
         <name lang="it">Presa monofase</name>
         <name lang="nl">Contact AC + aarde</name>
         <name lang="pl">Gniazdo wtyczkowe</name>
-        <name lang="cs">Zásuvka třípólová</name>
+        <name lang="cs">Zásuvka jednofázová</name>
         <name lang="de">Steckdose 3-polig</name>
         <name lang="ar">مقبس أحادي الوجه</name>
         <name lang="fr">PC mono 2P+ Terre</name>
diff --git a/elements/10_electric/10_allpole/200_fuses&protective_gears/11_circuit_breakers/disjoncteur5.elmt b/elements/10_electric/10_allpole/200_fuses&protective_gears/11_circuit_breakers/disjoncteur5.elmt
index 49eab1618..892c4c415 100644
--- a/elements/10_electric/10_allpole/200_fuses&protective_gears/11_circuit_breakers/disjoncteur5.elmt
+++ b/elements/10_electric/10_allpole/200_fuses&protective_gears/11_circuit_breakers/disjoncteur5.elmt
@@ -8,7 +8,7 @@
         <name lang="pl">Wyłącznik</name>
         <name lang="es">Disyuntor 4P</name>
         <name lang="nl">Lastscheider 4</name>
-        <name lang="cs">Pojistkový odpínač 3p+N</name>
+        <name lang="cs">Čtyřpólový jistič</name>
     </names>
     <kindInformations>
         <kindInformation name="type" show="1">protection</kindInformation>
diff --git a/elements/10_electric/10_allpole/200_fuses&protective_gears/20_disconnecting_switches/01_intersectiotetra.elmt b/elements/10_electric/10_allpole/200_fuses&protective_gears/20_disconnecting_switches/01_intersectiotetra.elmt
index 4cb645550..f0690b964 100644
--- a/elements/10_electric/10_allpole/200_fuses&protective_gears/20_disconnecting_switches/01_intersectiotetra.elmt
+++ b/elements/10_electric/10_allpole/200_fuses&protective_gears/20_disconnecting_switches/01_intersectiotetra.elmt
@@ -3,7 +3,7 @@
     <names>
         <name lang="fr">Interrupteur sectionneur TETRA</name>
         <name lang="es">Seccionador 3P mando de palanca</name>
-        <name lang="cs">Odpojovač 4P</name>
+        <name lang="cs">Odpínač 4P</name>
     </names>
     <kindInformations>
         <kindInformation name="type" show="1">protection</kindInformation>
diff --git a/elements/10_electric/10_allpole/200_fuses&protective_gears/20_disconnecting_switches/inter-sectionneur_tetra.elmt b/elements/10_electric/10_allpole/200_fuses&protective_gears/20_disconnecting_switches/inter-sectionneur_tetra.elmt
index 34a62ef87..44404b8b0 100644
--- a/elements/10_electric/10_allpole/200_fuses&protective_gears/20_disconnecting_switches/inter-sectionneur_tetra.elmt
+++ b/elements/10_electric/10_allpole/200_fuses&protective_gears/20_disconnecting_switches/inter-sectionneur_tetra.elmt
@@ -3,7 +3,7 @@
     <names>
         <name lang="fr">Interrupteur sectionneur tétrapolaire</name>
         <name lang="en">Four pole switch disconnector</name>
-        <name lang="cs">Odpojovač 4P</name>
+        <name lang="cs">Odpínač 3P</name>
     </names>
     <kindInformations>
         <kindInformation show="1" name="type">protection</kindInformation>
diff --git a/elements/10_electric/10_allpole/200_fuses&protective_gears/20_disconnecting_switches/inter_sectionneur_tri.elmt b/elements/10_electric/10_allpole/200_fuses&protective_gears/20_disconnecting_switches/inter_sectionneur_tri.elmt
index e66aec9ca..376214304 100644
--- a/elements/10_electric/10_allpole/200_fuses&protective_gears/20_disconnecting_switches/inter_sectionneur_tri.elmt
+++ b/elements/10_electric/10_allpole/200_fuses&protective_gears/20_disconnecting_switches/inter_sectionneur_tri.elmt
@@ -3,7 +3,7 @@
     <names>
         <name lang="fr">Interrupteur sectionneur triphasé</name>
         <name lang="es">Seccionador 3P mando de palanca</name>
-        <name lang="cs">Odpojovač 4P</name>
+        <name lang="cs">Odpínač 4P</name>
     </names>
     <kindInformations>
         <kindInformation show="1" name="type">protection</kindInformation>
diff --git a/elements/10_electric/10_allpole/200_fuses&protective_gears/20_disconnecting_switches/qet_directory b/elements/10_electric/10_allpole/200_fuses&protective_gears/20_disconnecting_switches/qet_directory
index d6fd56b35..8d144b34a 100644
--- a/elements/10_electric/10_allpole/200_fuses&protective_gears/20_disconnecting_switches/qet_directory
+++ b/elements/10_electric/10_allpole/200_fuses&protective_gears/20_disconnecting_switches/qet_directory
@@ -6,7 +6,7 @@
         <name lang="fr">Sectionneurs</name>
         <name lang="ar">عازلات</name>
         <name lang="es">Seccionadores</name>
-        <name lang="cs">Odpojovače</name>
+        <name lang="cs">Odpínače</name>
         <name lang="pt">Seccionadores</name>
         <name lang="pl">Odłączniki</name>
         <name lang="it">Sezionatori</name>
diff --git a/elements/10_electric/10_allpole/200_fuses&protective_gears/20_disconnecting_switches/sectionneur4-2.elmt b/elements/10_electric/10_allpole/200_fuses&protective_gears/20_disconnecting_switches/sectionneur4-2.elmt
index 164774d2a..888dd6be4 100644
--- a/elements/10_electric/10_allpole/200_fuses&protective_gears/20_disconnecting_switches/sectionneur4-2.elmt
+++ b/elements/10_electric/10_allpole/200_fuses&protective_gears/20_disconnecting_switches/sectionneur4-2.elmt
@@ -11,7 +11,7 @@
         <name lang="pl">Rozłącznik</name>
         <name lang="es">Seccionador</name>
         <name lang="nl">Scheidingsschakelaar</name>
-        <name lang="cs">Pojistkový odpínač 3P</name>
+        <name lang="cs">Odpínač 3P</name>
     </names>
     <kindInformations>
         <kindInformation name="type" show="1">protection</kindInformation>
diff --git a/elements/10_electric/10_allpole/200_fuses&protective_gears/20_disconnecting_switches/sectionneur4.elmt b/elements/10_electric/10_allpole/200_fuses&protective_gears/20_disconnecting_switches/sectionneur4.elmt
index df4877590..634f5378d 100644
--- a/elements/10_electric/10_allpole/200_fuses&protective_gears/20_disconnecting_switches/sectionneur4.elmt
+++ b/elements/10_electric/10_allpole/200_fuses&protective_gears/20_disconnecting_switches/sectionneur4.elmt
@@ -9,7 +9,7 @@
         <name lang="fr">Sectionneur</name>
         <name lang="pl">Odłącznik</name>
         <name lang="es">Seccionador 3P</name>
-        <name lang="cs">Pojistkový odpínač 2P</name>
+        <name lang="cs">Odpínač 3P</name>
         <name lang="nl">Lastschakelaar</name>
     </names>
     <kindInformations>
diff --git a/elements/10_electric/10_allpole/200_fuses&protective_gears/20_disconnecting_switches/sectionneur_general.elmt b/elements/10_electric/10_allpole/200_fuses&protective_gears/20_disconnecting_switches/sectionneur_general.elmt
index 1641815d9..db6df6a7b 100644
--- a/elements/10_electric/10_allpole/200_fuses&protective_gears/20_disconnecting_switches/sectionneur_general.elmt
+++ b/elements/10_electric/10_allpole/200_fuses&protective_gears/20_disconnecting_switches/sectionneur_general.elmt
@@ -9,7 +9,7 @@
         <name lang="nl">Lastschakelaar</name>
         <name lang="it">Sezionatore 3P</name>
         <name lang="en">break isolator</name>
-        <name lang="cs">Odpínač 3P</name>
+        <name lang="cs">Pojistkový odpínač 3P</name>
         <name lang="ar">مفتاح عزل</name>
         <name lang="pl">Odłącznik</name>
     </names>
diff --git a/elements/10_electric/10_allpole/200_fuses&protective_gears/20_disconnecting_switches/sectionneur_monophase.elmt b/elements/10_electric/10_allpole/200_fuses&protective_gears/20_disconnecting_switches/sectionneur_monophase.elmt
index 8015c18c1..a8ad8cf7f 100644
--- a/elements/10_electric/10_allpole/200_fuses&protective_gears/20_disconnecting_switches/sectionneur_monophase.elmt
+++ b/elements/10_electric/10_allpole/200_fuses&protective_gears/20_disconnecting_switches/sectionneur_monophase.elmt
@@ -10,7 +10,7 @@
         <name lang="ru">Разъеденитель</name>
         <name lang="nl">Lastschakelaar</name>
         <name lang="pt">Seccionador</name>
-        <name lang="cs">Odpínač 3P</name>
+        <name lang="cs">Pojistkový odpínač 2P</name>
         <name lang="pl">Odłącznik</name>
     </names>
     <kindInformations>
diff --git a/elements/10_electric/10_allpole/330_transformers&power_supplies/30_power_supplies/alim.elmt b/elements/10_electric/10_allpole/330_transformers&power_supplies/30_power_supplies/alim.elmt
index fc04490af..aec7193df 100644
--- a/elements/10_electric/10_allpole/330_transformers&power_supplies/30_power_supplies/alim.elmt
+++ b/elements/10_electric/10_allpole/330_transformers&power_supplies/30_power_supplies/alim.elmt
@@ -4,7 +4,7 @@
         <name lang="de">Netzteil AC/DC</name>
         <name lang="el">Ανορθωτής</name>
         <name lang="fr">Redresseur</name>
-        <name lang="cs">Napájecí zdroj AC/DC</name>
+        <name lang="cs">Napájecí zdroj AC/DC s pojistkou</name>
         <name lang="ar">موحد محكوم</name>
         <name lang="it">Raddrizzatore AC/DC</name>
         <name lang="pl">Zasilacz</name>
diff --git a/elements/10_electric/10_allpole/380_signaling&operating/20_push_buttons/contact_012.elmt b/elements/10_electric/10_allpole/380_signaling&operating/20_push_buttons/contact_012.elmt
index 0046bf93c..799422d92 100644
--- a/elements/10_electric/10_allpole/380_signaling&operating/20_push_buttons/contact_012.elmt
+++ b/elements/10_electric/10_allpole/380_signaling&operating/20_push_buttons/contact_012.elmt
@@ -5,7 +5,7 @@
         <name lang="fr">Bouton poussoir</name>
         <name lang="en">Push-button</name>
         <name lang="es">Pulsador con lampara</name>
-        <name lang="cs">Tlačítko</name>
+        <name lang="cs">Prosvětlené tlačítko</name>
         <name lang="nl">Drukknop met lamp (NO)</name>
         <name lang="it">Pulsante luminoso</name>
         <name lang="pl">Łącznik przyciskowy podświetlony  z powrotem samoczynnym</name>
diff --git a/elements/10_electric/10_allpole/380_signaling&operating/21_selector_switches/contact_001.elmt b/elements/10_electric/10_allpole/380_signaling&operating/21_selector_switches/contact_001.elmt
index 4f3408ed1..d9f29fd20 100644
--- a/elements/10_electric/10_allpole/380_signaling&operating/21_selector_switches/contact_001.elmt
+++ b/elements/10_electric/10_allpole/380_signaling&operating/21_selector_switches/contact_001.elmt
@@ -5,7 +5,7 @@
         <name lang="nl">keuzeschakelaar 2 pos (NO)</name>
         <name lang="it">Selettore a 2 posizioni stabili</name>
         <name lang="fr">Interrupteur rotatif</name>
-        <name lang="cs">Otočný spínač - 2 polohy</name>
+        <name lang="cs">Otočný spínač - 2 polohy (NO)</name>
         <name lang="el">Διακόπτης 2 θέσεων</name>
         <name lang="en">Switch 2 positions</name>
         <name lang="ar">مفتاح دوّار بوضعين</name>
diff --git a/elements/10_electric/10_allpole/380_signaling&operating/21_selector_switches/contact_002.elmt b/elements/10_electric/10_allpole/380_signaling&operating/21_selector_switches/contact_002.elmt
index 799f0705b..f941ab13d 100644
--- a/elements/10_electric/10_allpole/380_signaling&operating/21_selector_switches/contact_002.elmt
+++ b/elements/10_electric/10_allpole/380_signaling&operating/21_selector_switches/contact_002.elmt
@@ -6,7 +6,7 @@
         <name lang="fr">Interrupteur rotatif</name>
         <name lang="nl">keuzeschakelaar 2 pos (NC)</name>
         <name lang="el">Διακόπτης 2 θέσεων</name>
-        <name lang="cs">Otočný spínač - 2 polohy</name>
+        <name lang="cs">Otočný spínač - 2 polohy (NC)</name>
         <name lang="ar">مفتاح دوّار بوضعين</name>
         <name lang="en">Switch 2 positions</name>
     </names>