![]() Electricity enters through the positive side (anode) and exists through the negative side (cathode). On the contrary, the negative terminals are referred to as cathodes. With LEDs, these positive terminals are referred to as anodes. In general, which way is the current entering and where is it exiting? What are Anodes and Cathodes?Įvery electrical component requires positive and negative terminals in order to complete a circuit. Since this is the case, it’s crucial to know and understand the direction that it’s moving. As we discussed earlier, with LEDs, electrical current flows in one-direction. When polarity is referred to in regards to LEDs, it’s related to the flow of electricity. Most LEDs are rated for a 50,000 hour lifespan whereas fluorescent or incandescent lighting is lucky to get near 10,000 hours.
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