| 2015 | CZ | ECT-POWER-SUPPLY_CZ.PDF |
| 2015 | DE | NECU_DE.PDF |
| 2007 | DE | ECT-POWER-SUPPLY_DE.PDF |
| 2015 | EN | NECU_EN.PDF |
| 2007 | EN | ECT-POWER-SUPPLY_EN.PDF |
| 2015 | ES | NECU_ES.PDF |
| 2007 | ES | ECT-POWER-SUPPLY_ES.PDF |
| 2015 | SK | ECT-POWER-SUPPLY_SK.PDF |
| 2015 | TR | NECU_TR.PDF |
| 2014 | US | NECU_ENUS.PDF |
| 2007 | US | ECT-POWER-SUPPLY_ENUS.PDF |