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--- electrical:12v:wallwart [2021/05/02 18:40]
frater_secessus [Devices with power adapters]
+++ electrical:12v:wallwart [2021/05/02 18:44]
frater_secessus [Devices with power adapters]
@@ Line 1: / Line 1: @@
 ====== Devices with power adapters ======
-It is a common misconception that inverters are needed for everything that [[electrical:shore_power|plugs into a wall]].  Inverters are generally required only for devices that run off wall power with cord that runs permanently into the device.  Example: table lamp.
+{{ https://ae01.alicdn.com/kf/HTB1ZNnNLXXXXXbyXpXXq6xXFXXXd/12V-2A-EU-Plug-AC-Adapter-DC-Power-Supply-Plug-EURO-Regulation-Wall-Wart-Charger-5.jpg?125}}
+It is a common misconception that inverters are needed to run devices with wall adapters.  That is usually not the case.  Devices that have a plug that has a block at the end (or elsewhere) are typically using **DC power**, which is what is already in your car. No inverter needed. The adapter is there only to change 120vac to the required amount of DC voltage.((ie, "rectification"))
+Inverters are generally required only for devices that run off [[electrical:shore_power|wall power]] with cord that runs permanently into the device.  Example: table lamp.
-{{ https://ae01.alicdn.com/kf/HTB1ZNnNLXXXXXbyXpXXq6xXFXXXd/12V-2A-EU-Plug-AC-Adapter-DC-Power-Supply-Plug-EURO-Regulation-Wall-Wart-Charger-5.jpg?125}}Devices that have a "wall-wart" power adapter that can disconnect from the device are typically using **DC power**, which is what is already in your car. No inverter needed. The adapter is there only to change 120vac to the required amount of DC voltage.((ie, "rectification"))

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