diff --git a/Content.Server/Doors/Components/AirlockComponent.cs b/Content.Server/Doors/Components/AirlockComponent.cs
index de969c590b..4a38a2d761 100644
--- a/Content.Server/Doors/Components/AirlockComponent.cs
+++ b/Content.Server/Doors/Components/AirlockComponent.cs
@@ -131,7 +131,7 @@ namespace Content.Server.Doors.Components
 
         public bool IsPowered()
         {
-            return _entityManager.TryGetComponent<ApcPowerReceiverComponent>(Owner, out var receiverComponent) && receiverComponent.Powered;
+            return !_entityManager.TryGetComponent<ApcPowerReceiverComponent>(Owner, out var receiverComponent) || receiverComponent.Powered;
         }
 
         public void UpdateBoltLightStatus()
diff --git a/Content.Server/Morgue/Components/CrematoriumEntityStorageComponent.cs b/Content.Server/Morgue/Components/CrematoriumEntityStorageComponent.cs
index 713ce90e47..cb78bf0ccb 100644
--- a/Content.Server/Morgue/Components/CrematoriumEntityStorageComponent.cs
+++ b/Content.Server/Morgue/Components/CrematoriumEntityStorageComponent.cs
@@ -50,7 +50,7 @@ namespace Content.Server.Morgue.Components
 
         void IExamine.Examine(FormattedMessage message, bool inDetailsRange)
         {
-            if (_entities.TryGetComponent<AppearanceComponent>(Owner, out var appearance)) return;
+            if (!_entities.TryGetComponent<AppearanceComponent>(Owner, out var appearance)) return;
 
             if (inDetailsRange)
             {
diff --git a/Content.Server/Power/Components/ApcComponent.cs b/Content.Server/Power/Components/ApcComponent.cs
index 582e6f9a5a..97752804bb 100644
--- a/Content.Server/Power/Components/ApcComponent.cs
+++ b/Content.Server/Power/Components/ApcComponent.cs
@@ -90,7 +90,7 @@ namespace Content.Server.Power.Components
                 return;
 
             var accessSystem = EntitySystem.Get<AccessReaderSystem>();
-            if (_entMan.TryGetComponent<AccessReaderComponent>(Owner, out var accessReaderComponent) || accessSystem.IsAllowed(accessReaderComponent, attached))
+            if (!_entMan.TryGetComponent<AccessReaderComponent>(Owner, out var accessReaderComponent) || accessSystem.IsAllowed(accessReaderComponent, attached))
             {
                 MainBreakerEnabled = !MainBreakerEnabled;
                 _entMan.GetComponent<PowerNetworkBatteryComponent>(Owner).CanDischarge = MainBreakerEnabled;
diff --git a/Content.Server/Power/Components/ExaminableBatteryComponent.cs b/Content.Server/Power/Components/ExaminableBatteryComponent.cs
index ec8a44ebce..5df79ff0b8 100644
--- a/Content.Server/Power/Components/ExaminableBatteryComponent.cs
+++ b/Content.Server/Power/Components/ExaminableBatteryComponent.cs
@@ -18,7 +18,7 @@ namespace Content.Server.Power.Components
 
         void IExamine.Examine(FormattedMessage message, bool inDetailsRange)
         {
-            if (_entityManager.TryGetComponent<BatteryComponent>(Owner, out var batteryComponent))
+            if (!_entityManager.TryGetComponent<BatteryComponent>(Owner, out var batteryComponent))
                 return;
             if (inDetailsRange)
             {