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Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

safety

  1. Electroenthusiast

    Swimming Pool Electrocution and Safety

    I just read a news that was over a week old, it was about electrocution in a local city's apartment complex's swimming pool. A girl child has said to be dead due to electrocution in the swimming pool, while she was in the waters. She had screamed in pain during the process, and was taken over...
  2. J

    What is Safety of the Intended Functionality (SOTIF) ?

    What is Safety of the Intended Functionality (SOTIF) and how does it differ from Functional Safety? What are examples of some SOTIF requirements that are implemented in automotive Electronic Control Units (ECUs)?
  3. E

    Safety Requirements on 120Vac Board

    I've designed a board with a few relays that switch 120VAC. I have the normally open side of the relay connected to a current limiting resistor and opto-isolator. Do I need to worry about single fault failure for safety testing? If so, can I just put two resistors in series?
  4. E

    Safe voltages and transformer secondary

    I read many times, form many sources, that 60 VDC or 30 VAC are potentionally dangerous. I know that it is current what matters, but higher voltages lead to greater currents (assuming same resistance, of course). I also know that primary and secondary windings of a transformer are dangerous. But...
  5. S

    Safety Warning

    I hate procedures because they inevitably inhibit innovation and generally waste time with a load of meaningless waffle. But procedures are important. One area that worries me is electrical safety. Members, including me, often post schematics for circuits which involve dangerous voltages...

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