Add Japanese translations of qet_directory

elements/10_electric/11_singlepole/140_connectors&plugs/qet_directory

@@ -10,5 +10,6 @@
         <name lang="en">Connectors and plugs</name>
         <name lang="es">Conectores y Enchufes</name>
         <name lang="fr">Connecteurs et prises</name>
+        <name lang="ja">コネクタとプラグ</name>
     </names>
 </qet-directory>

elements/10_electric/11_singlepole/200_fuses&protective_gears/qet_directory

@@ -9,5 +9,6 @@
         <name lang="it">Fusibili e protezioni</name>
         <name lang="en">Fuses and protective gears</name>
         <name lang="fr">Fusibles et protections</name>
+        <name lang="ja">ヒューズと保護装置</name>
     </names>
 </qet-directory>

elements/10_electric/11_singlepole/330_transformers&power_supplies/qet_directory

@@ -10,5 +10,6 @@
         <name lang="en">Transformators and power supplies</name>
         <name lang="es">Transformadores y fuentes de poder</name>
         <name lang="fr">Transformateurs et alimentations</name>
+        <name lang="ja">変圧器と電源</name>
     </names>
 </qet-directory>

elements/10_electric/11_singlepole/340_converters&inverters/qet_directory

@@ -10,5 +10,6 @@
         <name lang="en">Converters and inverters</name>
         <name lang="es">Convertidores e inversores</name>
         <name lang="fr">Convertisseurs et variateurs</name>
+        <name lang="ja">変換器とインバータ</name>
     </names>
 </qet-directory>

elements/10_electric/11_singlepole/392_generators&sources/qet_directory

@@ -10,5 +10,6 @@
         <name lang="en">Generators and sources</name>
         <name lang="es">Generadores y fuentes</name>
         <name lang="fr">Générateurs et sources</name>
+        <name lang="ja">発電機と電源</name>
     </names>
 </qet-directory>

elements/10_electric/11_singlepole/395_electronics&semiconductors/qet_directory

@@ -10,5 +10,6 @@
         <name lang="en">Electronics and semiconductors</name>
         <name lang="es">Electrónica y semiconductores</name>
         <name lang="fr">Electronique et semi-conducteurs</name>
+        <name lang="ja">電子と半導体</name>
     </names>
 </qet-directory>

elements/10_electric/11_singlepole/500_home_installation/qet_directory

@@ -12,5 +12,6 @@
         <name lang="it">Impianti civili</name>
         <name lang="el">Οικιακά</name>
         <name lang="nl">Huisinstallatie</name>
+        <name lang="ja">住宅機器</name>
     </names>
 </qet-directory>

elements/10_electric/11_singlepole/qet_directory

@@ -11,5 +11,6 @@
         <name lang="nl">Enkel pool</name>
         <name lang="ru">Однополюсные</name>
         <name lang="da">Enkel leder</name>
+        <name lang="ja">単線</name>
     </names>
 </qet-directory>