diff --git a/homeassistant/components/onewire/sensor.py b/homeassistant/components/onewire/sensor.py
index 54528cf05f3..50d1a8e0c8e 100644
--- a/homeassistant/components/onewire/sensor.py
+++ b/homeassistant/components/onewire/sensor.py
@@ -24,13 +24,11 @@ from homeassistant.components.sensor import (
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (
     CONF_TYPE,
-    DEVICE_CLASS_CURRENT,
     DEVICE_CLASS_HUMIDITY,
     DEVICE_CLASS_ILLUMINANCE,
     DEVICE_CLASS_PRESSURE,
     DEVICE_CLASS_TEMPERATURE,
     DEVICE_CLASS_VOLTAGE,
-    ELECTRIC_CURRENT_AMPERE,
     ELECTRIC_POTENTIAL_VOLT,
     LIGHT_LUX,
     PERCENTAGE,
@@ -183,11 +181,11 @@ DEVICE_SENSORS: dict[str, tuple[OneWireSensorEntityDescription, ...]] = {
             state_class=STATE_CLASS_MEASUREMENT,
         ),
         OneWireSensorEntityDescription(
-            key="IAD",
-            device_class=DEVICE_CLASS_CURRENT,
+            key="vis",
+            device_class=DEVICE_CLASS_VOLTAGE,
             entity_registry_enabled_default=False,
-            name="Current",
-            native_unit_of_measurement=ELECTRIC_CURRENT_AMPERE,
+            name="vis",
+            native_unit_of_measurement=ELECTRIC_POTENTIAL_VOLT,
             read_mode=READ_MODE_FLOAT,
             state_class=STATE_CLASS_MEASUREMENT,
         ),
diff --git a/homeassistant/components/onewire/switch.py b/homeassistant/components/onewire/switch.py
index 712077c62bd..3146f4fb8a6 100644
--- a/homeassistant/components/onewire/switch.py
+++ b/homeassistant/components/onewire/switch.py
@@ -9,7 +9,7 @@ from typing import TYPE_CHECKING, Any
 from homeassistant.components.onewire.model import OWServerDeviceDescription
 from homeassistant.components.switch import SwitchEntity, SwitchEntityDescription
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.const import CONF_TYPE
+from homeassistant.const import CONF_TYPE, ENTITY_CATEGORY_CONFIG
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
@@ -58,6 +58,15 @@ DEVICE_SWITCHES: dict[str, tuple[OneWireEntityDescription, ...]] = {
             for id in DEVICE_KEYS_A_B
         ]
     ),
+    "26": (
+        OneWireSwitchEntityDescription(
+            key="IAD",
+            entity_registry_enabled_default=False,
+            entity_category=ENTITY_CATEGORY_CONFIG,
+            name="IAD",
+            read_mode=READ_MODE_BOOL,
+        ),
+    ),
     "29": tuple(
         [
             OneWireSwitchEntityDescription(
diff --git a/tests/components/onewire/const.py b/tests/components/onewire/const.py
index 55663c65d36..537c93cbe11 100644
--- a/tests/components/onewire/const.py
+++ b/tests/components/onewire/const.py
@@ -26,13 +26,11 @@ from homeassistant.const import (
     ATTR_STATE,
     ATTR_UNIT_OF_MEASUREMENT,
     ATTR_VIA_DEVICE,
-    DEVICE_CLASS_CURRENT,
     DEVICE_CLASS_HUMIDITY,
     DEVICE_CLASS_ILLUMINANCE,
     DEVICE_CLASS_PRESSURE,
     DEVICE_CLASS_TEMPERATURE,
     DEVICE_CLASS_VOLTAGE,
-    ELECTRIC_CURRENT_AMPERE,
     ELECTRIC_POTENTIAL_VOLT,
     LIGHT_LUX,
     PERCENTAGE,
@@ -399,13 +397,22 @@ MOCK_OWPROXY_DEVICES = {
             },
             {
                 ATTR_DEFAULT_DISABLED: True,
-                ATTR_DEVICE_CLASS: DEVICE_CLASS_CURRENT,
-                ATTR_ENTITY_ID: "sensor.26_111111111111_current",
-                ATTR_INJECT_READS: b"       1",
-                ATTR_STATE: "1.0",
+                ATTR_DEVICE_CLASS: DEVICE_CLASS_VOLTAGE,
+                ATTR_ENTITY_ID: "sensor.26_111111111111_vis",
+                ATTR_INJECT_READS: b"    0.12",
+                ATTR_STATE: "0.1",
                 ATTR_STATE_CLASS: STATE_CLASS_MEASUREMENT,
+                ATTR_UNIQUE_ID: "/26.111111111111/vis",
+                ATTR_UNIT_OF_MEASUREMENT: ELECTRIC_POTENTIAL_VOLT,
+            },
+        ],
+        SWITCH_DOMAIN: [
+            {
+                ATTR_DEFAULT_DISABLED: True,
+                ATTR_ENTITY_ID: "switch.26_111111111111_iad",
+                ATTR_INJECT_READS: b"    1",
+                ATTR_STATE: STATE_ON,
                 ATTR_UNIQUE_ID: "/26.111111111111/IAD",
-                ATTR_UNIT_OF_MEASUREMENT: ELECTRIC_CURRENT_AMPERE,
             },
         ],
     },