Berty100 Posted June 9, 2016 Share Posted June 9, 2016 I am replacing the Ethernet switch that was hit by lightning recently. The power cable has a 3 prong plug at both ends Additionally on the backside of the housing is a screw that says " switch gnd". Should this ground also be connected even if the plug is already in a grounded socket? Can I connect this ground to any ground connection in a nearby socket or plug from another device? Link to comment Share on other sites More sharing options...
Crossy Posted June 9, 2016 Share Posted June 9, 2016 Check if the plug ground is connected to the extra terminal. If it is there's no need to do anything extra. If it's not then I would be running a ground wire to the 3rd plug pin. What does the manual have to say on the subject? EDIT This Cisco installation manual says to connect to the rack metalwork http://www.cisco.com/c/en/us/td/docs/switches/metro/me2400/hardware/installation/guide/2400hig/HGDCPWR.html#wp1013638 Link to comment Share on other sites More sharing options...
Berty100 Posted June 9, 2016 Author Share Posted June 9, 2016 Check if the plug ground is connected to the extra terminal. If it is there's no need to do anything extra. If it's not then I would be running a ground wire to the 3rd plug pin. What does the manual have to say on the subject? EDIT This Cisco installation manual says to connect to the rack metalwork http://www.cisco.com/c/en/us/td/docs/switches/metro/me2400/hardware/installation/guide/2400hig/HGDCPWR.html#wp1013638 The ground in the plug goes to a connector on the pcb. The ground screw on the back is not connected to anything. The manual doesn't make any mention of the additional ground screw Link to comment Share on other sites More sharing options...
Crossy Posted June 9, 2016 Share Posted June 9, 2016 In that case I would run a wire from the additional ground screw to your mains ground. Link to comment Share on other sites More sharing options...
Berty100 Posted June 9, 2016 Author Share Posted June 9, 2016 (edited) In that case I would run a wire from the additional ground screw to your mains ground. Can I instead use the ground in any nearby socket? Or may be the ground of the socket in which the switch is plugged? Edited June 9, 2016 by Berty100 Link to comment Share on other sites More sharing options...
Crossy Posted June 9, 2016 Share Posted June 9, 2016 In that case I would run a wire from the additional ground screw to your mains ground. Can I instead use the ground in any nearby socket? Or may be the ground of the socket in which the switch is plugged? Yup, that's really what I meant (sorry for the lack of clarity) probably best to use the outlet the switch is plugged in to. Link to comment Share on other sites More sharing options...
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