Dimmers change the shape of the AC wave by chopping off part of it. This reduces the power available to the LED bulb light, which becomes less bright. The terminology about dimmers can be confusing, such as ELV dimmer, MLV dimmer or Triac dimmer... What does Triac dimmer mean? The key electronic ...

KSPOWER has launched the N / H / L series waterproof dimmable LED drivers from 2019, in order to give customers a more flexible and time-saving way to avoid recertification and retesting, KS POWER also acquired a series of safety regulation certifications UL/cUL 8750, ENEC GS (IEC/EN 61347), Class 2...

As an everyday person most of these LED power supply symbols will probably seem strange and obscure and probably bear no relevance, just confirm the item works that’s all you need. Even to the electrical/lighting professionals a lot of these symbols can be quite unfamiliar. But be assured that every ...

MTBF (Mean Time Between Failures) is a reliability metric that measures the average time between failures of a system or component. It is commonly used in the field of reliability engineering to assess the reliability of products or systems. MTBF provides an estimate of how long a device or system ...

IEC 60601, IEC 60335, and IEC 61558 are all safety standards developed by the International Electrotechnical Commission (IEC). While IEC 60601 and IEC 60335 are specific to different types of electrical equipment, IEC 61558 is related to safety requirements for transformers, power supplies, reactors...

External power supplies are power adaptors used to convert household electric current into lower voltage DC current - in order to operate a large variety of household and office products like electric tooth brushes and shavers, mobile and cordless phones, laptops and tablets, as well as printers, ...

MAJOR SAFETY AGENCIES AND PRODUCT CONFORMANCE MARKS WORLDWIDE The previous section identified many of the national and international bodies that either define regulatory requirements for product safety or provide testing and certification to assure users that the device or equipment complies with ...

The ability to sell external power supplies or led drivers types, around the world depends on meeting the relevant safety standards that apply in those territories. These standards are defined and administered by national or international agencies with various government-recognized testing ...

What Causes Voltage Surges? The three main causes of surges are: Lightning Load Transients Faults Lightning strikes are a common source of external surge transients and carry far more current at far higher voltages than most electronic systems are rated for. These voltage surges are typically large ...