LM317T Voltage Regulator with Pass Transistor

According to FEMA electrical fires kill almost 500 people and injure over 2000 more. Most are caused by poor maintenance of electrical appliances, incorrectly installed wiring, overloaded circuits and extension cords. The holiday season is quickly approaching when we all start to decorate and use our electronics more heavily. In fact, I have already seen Halloween decorations in many neighborhoods. This is a very relevant topic as December is the most dangerous month for electrical fires. I have made 3 quick tips that you can try that could protect your precious electronics and perhaps even your life. 1) Don't Daisy Chain Power strips This is more common than you think. Daisy chaining power strips is when you plug one power strip into the other. I'm not sure why but most people feel comfortable doing this but it is a bad practice. Daisy chaining results in a spread of the potential surge overload across both strips evenly. Where an overload of X size would trip one power strip, when two are connected 2X the overload is required to cause a trip to occur and so on. In short this practice puts everything you plug into the power strips at risk. It's just not worth it when a good quality extension cord can solve the problem. 2) UPS for Desktop Computer Power surges and brown conditions can burn out computer power supplies and even cook the computer all together. At minimum a new computer power supply is around $100 to replace and if your computer gets fried, well then there's ...



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