Understanding common household light bulb shapes, sizes, and styles is important whether you're converting outdated incandescent fixtures into energy-efficient ones or using LED bulbs for new construction applications. Every light bulb has identifying characteristics that are represented by a letter or series of letters and a number; these are known as bulb codes. Read More
Many electronics have some variation of a relay inside. Realys can be used to switch a low-current trigger to high current, switch a circuit on or off, reverse Read More
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