<![CDATA[SoliForum - 3D Printing Community — Power supply determining power and ground]]> 2021-02-27T15:49:49Z PunBB https://www.soliforum.com/topic/18819/power-supply-determining-power-and-ground/ <![CDATA[Re: Power supply determining power and ground]]> Does one wire have ribs on it?  If so I believe that is negative.  Of course do verify with a voltmeter.

]]> https://www.soliforum.com/user/25445/ 2021-02-27T15:49:49Z https://www.soliforum.com/post/154546/#p154546 <![CDATA[Re: Power supply determining power and ground]]> Plug it in and use a voltmeter to determine polarity

]]> https://www.soliforum.com/user/6797/ 2021-01-25T17:49:23Z https://www.soliforum.com/post/154451/#p154451 <![CDATA[Power supply determining power and ground]]> So I’m new to wiring, and determined to figure this out on my own, it doesn’t look too difficult, but there is one part I can’t figure out and am worried about causing damage.

The wiring instructions say to take power from the female DC plug to switch 1, and ground to the PID. How do I tell which wire is positive and ground? I don’t see any colored sheathing, markings on the plug or anything else. Any help is appreciated.

http://soliforum.com/i/?exx3Coz.jpg

]]> https://www.soliforum.com/user/25590/ 2021-01-25T07:27:08Z https://www.soliforum.com/post/154448/#p154448