diff --git a/homeassistant/components/lektrico/strings.json b/homeassistant/components/lektrico/strings.json
index 3b4417c346a..eb0203e0661 100644
--- a/homeassistant/components/lektrico/strings.json
+++ b/homeassistant/components/lektrico/strings.json
@@ -24,7 +24,7 @@
   "entity": {
     "binary_sensor": {
       "state_e_activated": {
-        "name": "Ev error"
+        "name": "EV error"
       },
       "overtemp": {
         "name": "Thermal throttling"
@@ -45,10 +45,10 @@
         "name": "Overvoltage"
       },
       "rcd_error": {
-        "name": "Rcd error"
+        "name": "RCD error"
       },
       "cp_diode_failure": {
-        "name": "Ev diode short"
+        "name": "EV diode short"
       },
       "contactor_failure": {
         "name": "Relay contacts welded"
@@ -64,7 +64,7 @@
     },
     "number": {
       "led_max_brightness": {
-        "name": "Led brightness"
+        "name": "LED brightness"
       },
       "dynamic_limit": {
         "name": "Dynamic limit"
diff --git a/tests/components/lektrico/snapshots/test_binary_sensor.ambr b/tests/components/lektrico/snapshots/test_binary_sensor.ambr
index b365ff84187..7d812c0fc67 100644
--- a/tests/components/lektrico/snapshots/test_binary_sensor.ambr
+++ b/tests/components/lektrico/snapshots/test_binary_sensor.ambr
@@ -24,7 +24,7 @@
     }),
     'original_device_class': <BinarySensorDeviceClass.PROBLEM: 'problem'>,
     'original_icon': None,
-    'original_name': 'Ev diode short',
+    'original_name': 'EV diode short',
     'platform': 'lektrico',
     'previous_unique_id': None,
     'supported_features': 0,
@@ -37,7 +37,7 @@
   StateSnapshot({
     'attributes': ReadOnlyDict({
       'device_class': 'problem',
-      'friendly_name': '1p7k_500006 Ev diode short',
+      'friendly_name': '1p7k_500006 EV diode short',
     }),
     'context': <ANY>,
     'entity_id': 'binary_sensor.1p7k_500006_ev_diode_short',
@@ -72,7 +72,7 @@
     }),
     'original_device_class': <BinarySensorDeviceClass.PROBLEM: 'problem'>,
     'original_icon': None,
-    'original_name': 'Ev error',
+    'original_name': 'EV error',
     'platform': 'lektrico',
     'previous_unique_id': None,
     'supported_features': 0,
@@ -85,7 +85,7 @@
   StateSnapshot({
     'attributes': ReadOnlyDict({
       'device_class': 'problem',
-      'friendly_name': '1p7k_500006 Ev error',
+      'friendly_name': '1p7k_500006 EV error',
     }),
     'context': <ANY>,
     'entity_id': 'binary_sensor.1p7k_500006_ev_error',
@@ -312,7 +312,7 @@
     }),
     'original_device_class': <BinarySensorDeviceClass.PROBLEM: 'problem'>,
     'original_icon': None,
-    'original_name': 'Rcd error',
+    'original_name': 'RCD error',
     'platform': 'lektrico',
     'previous_unique_id': None,
     'supported_features': 0,
@@ -325,7 +325,7 @@
   StateSnapshot({
     'attributes': ReadOnlyDict({
       'device_class': 'problem',
-      'friendly_name': '1p7k_500006 Rcd error',
+      'friendly_name': '1p7k_500006 RCD error',
     }),
     'context': <ANY>,
     'entity_id': 'binary_sensor.1p7k_500006_rcd_error',
diff --git a/tests/components/lektrico/snapshots/test_number.ambr b/tests/components/lektrico/snapshots/test_number.ambr
index 57cf40567e7..368479cdd06 100644
--- a/tests/components/lektrico/snapshots/test_number.ambr
+++ b/tests/components/lektrico/snapshots/test_number.ambr
@@ -86,7 +86,7 @@
     }),
     'original_device_class': None,
     'original_icon': None,
-    'original_name': 'Led brightness',
+    'original_name': 'LED brightness',
     'platform': 'lektrico',
     'previous_unique_id': None,
     'supported_features': 0,
@@ -98,7 +98,7 @@
 # name: test_all_entities[number.1p7k_500006_led_brightness-state]
   StateSnapshot({
     'attributes': ReadOnlyDict({
-      'friendly_name': '1p7k_500006 Led brightness',
+      'friendly_name': '1p7k_500006 LED brightness',
       'max': 100,
       'min': 0,
       'mode': <NumberMode.AUTO: 'auto'>,