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So, I assembled a soldering iron kit and put the control unit in an aluminum enclosure and intend to use a Mean Well SP-240 24V power supply with it. I just wanted to verify a couple of things. The tip should be connected to chassis ground via a 1MΩ resistor and chassis ground should be connected to the Mean Well's FG (mains earth), right? To be clear, power/signal ground are seperate from chassis ground in this system and it's only the latter I'm referring to.

[not sure if it matters but this is Sweden, mains 230V/50Hz, PSU is 24V 240W (~10A), soldering iron is 24V 70W (~3A)]

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  • \$\begingroup\$ That is correct for ESD control and your Ohm meter can verify this. \$\endgroup\$ Commented Jan 14, 2018 at 1:47
  • \$\begingroup\$ @Tony Stewart this would do as an answer to this question. \$\endgroup\$
    – RoyC
    Commented Jan 14, 2018 at 22:07

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That is correct for ESD control and your Ohm meter can verify this

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