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Recent content by westom

Yesterday's Tractor Forums
  1. W

    Power surge knocks out furnaces

    Correct. An overvoltage from an open neutral is not a surge. Second, that open neutral will only result in a voltage less than 240 volts. A better earth ground also means an overvoltage is even less. Protectors do nothing until that AC voltage well exceeds its let-through voltage - ie...
  2. W

    Power surge knocks out furnaces

    Apparently one properly earthed 'whole house' solution was not implemented. That is a secondary protection layer. It costs about $1 per protected appliance. If any appliance needs protection, then every appliance needs that protection. Also inspect your primary protection layer. Most...
  3. W

    Backfeeding

    Exactly. The world's most reliable person will still make a mistake if the hardware makes that mistake possible. Chief pilot for KLM, having done the same thing reliably how many hundreds of times, still tried to take off when a 747 was in his path in Tenerife. I have never met anyone who...
  4. W

    Backfeeding

    Nobody is entitled to an opinion that would put others (especially linemen) at risk. Humans innovate because humans make mistakes. Only safe way to power is a system where mains are physically disconnected before generator power is applied. One switch does both. Only then does the...
  5. W

    Electric alarm clock with battery back up

    Warning. Extremists in Congress are defunding the radio stations that provide that time. Millions of such devices will become obsolete next year - in part because so many vote for these extremists.
  6. W

    electrical question...smart meters..cable tv

    Back stab connections are safe for humans. But are bad for appliances. Wires must be attached to side screws. Only a cover plate need be removed to perform that nspection. Receptacles using the back stab method are bad for all electronics - but do not threaten human life. So it is code...
  7. W

    Surge protecter question.

    Your telephone line is also an ideal outgoing (and destructive) connection from an appliance to earth ground. That required connection to earth (existed even 100 years ago) is installed for free by your telco as required by industry standards and even the National Electrical Code. Apparently...
  8. W

    Surge protecter question.

    Apparently what was happening was never learned. All phone lines have and have long been required to have best protection - installed for free. Never forget what was taught in elementary school science. If that current does not have both an incoming and an outgoing path, then that electric...
  9. W

    Surge protecter question.

    You may want to change all that after learning some facts. It is not any ground. Which ground? Virtual ground, motherboard ground, safety ground, chassis ground, floating ground, ground beneath a utility transformer, analog ground, or a water pipe? None of those are relevant. A protector...
  10. W

    lightning strikes any of you have to del with them?

    Lightning has traveled (maybe) far down a street on AC electric wires. Those wires (obviously) enter without any earth ground. (Only one other incoming AC wire has an earth ground.) That current on AC power wires now approaches every appliance ... hunting for earth ground. One excellent...
  11. W

    lightning strikes any of you have to del with them?

    A classic example of a conclusion only from observation. First learn facts. For example, a surge incoming to all appliances is a lightning strike to utility wires many blocks down the street. If incoming to everything, then is everything damaged? Of course not. It is called electricity...
  12. W

    lightning strikes any of you have to del with them?

    That is a famous scam called ESE devices. Nothing bleeds off charges. But the many, who forget basic concept taught in school science, automatically believe the myth. So many argue only about what they see. Blunt verses pointed? Reality. Blunt has been proven by science to be better...
  13. W

    lightning strikes any of you have to del with them?

    Two completely different devices (both called surge protectors) exist. The expensive one does not even claim to protect from surges (including direct lightning strikes). The other and tens of times less expensive solution even has numbers that define protection from direct lightning strikes...
  14. W

    What is this?

    A similar example: http://www.comm-omni.com/tii/355_356.htm
  15. W

    What is this?

    A telco protector must have three conductors. Two for the phone lines. A third to connect to what actually does the protection - earth ground. These protectors (but only if properly earthed) are why surges are not 'incoming' on phone lines. And why telco appliances can be damaged. A surge...
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