What does AC 100 240V mean?
Checking the AC Voltage on Your Device When the voltage reading is listed as a range of numbers, like 110V–220V or 100-240V, the device can handle AC voltage outlets from all over the world. This is considered a “dual voltage” or “world-wide voltage” device.
What does universal voltage mean?
Universal input means the power source input range is within AC 85 ~ 264 Volt and capable of operating at 50 and 60 Hz. These power supplies can be used anywhere in the world without adjusting a select switch for the input power.
What is a UL listed AC adapter?
What is a UL-certified AC adapter? A UL-certified AC adapter bears an authorized UL Mark. This means it has been evaluated and meets the appropriate Standard for Safety. These adapters comply with UL safety requirements for the US.
Can I plug 240V into 220V?
Yes, any device that is classified in 240 volts and can be used in a 220V socket. If the rated voltage is 240 volts, the boxes can have a power supply of 208V, 220V or 240V.
What is a Class 2 AC adapter?
Class 2 relates to the power supply’s safety, and it limits the maximum power that the power supply can deliver. Class 2 power supply is popular in the automation, control, and the power supply lighting industry because of lower safety protection requirements, decreasing complexity and cost during installation.
Are all AC adapters the same?
The right AC adapter for your device is one with matching electrical ratings. The device’s input voltage and current must match the adapter’s output voltage and current. Check the device’s product label or user manual to see its rated voltage and current.
How do you know if a power strip is UL approved?
Be sure that the product is listed as a transient voltage surge suppressor. This means that it meets the criteria for UL 1449, UL’s minimum performance standard for surge suppressors. There are a lot of power strips listed by UL that have no surge protection components at all.
Is AC adapter safe?
Use only the AC adapter and power cord that came with your product. Do not use the AC adapter with any other equipment and use only with the specified voltage. Using the wrong AC adapter and power cord may result in damage, overheating, fire, or electric shock.
What does 120V 240V mean?
A standard 120V outlet contains a 120 volt wire and a neutral wire, and preferably a grounding wire. A 240V outlet has two 120 volt wires and a neutral wire. Older homes often have three prong 240 volt outlets, but modern outlets have a ground wire and four prongs.