ground the outlet or not??


Guys - I have the Equi-tech cabinet mount power center with an earth ground- I am about to install the Furutech NCF outlets and someone mentioned to me that I should NOT hook up the ground wires to the Furutech outlet- Just cut it off before the  outlet box-box- Does this make sense or not - thks
fluffers
I have the furutech gtx-rhodium NCF outlet's and the original furutech gtx-rhodium outlet's,  I don't know who told you what you posted fluffers,  I have all three connected to my outlet's,  sounds alot better than a hot and neutral only connection,  as a matter of fact,  I  believe it is essential to have a dedicated power box straight from the power poll just for a system,  not ever sharing a ground with the house! 
Post removed 


Guys - I have the Equi-tech cabinet mount power center with an earth ground- I am about to install the Furutech NCF outlets and someone mentioned to me that I should NOT hook up the ground wires to the Furutech outlet- Just cut it off before the outlet box-box- Does this make sense or not - thks


You do realize with a 60/120V grounded power system the receptacle is fed by 2 Hot ungrounded conductors? From either hot contact of the receptacle to a grounded object there is a 60 volt potential. More than enough to electrocute a person.

The audio equipment you plug into the receptacle was not designed to be connected to a 60/120V grounded power system. It was designed to be fed from a grounded power system having one current carrying conductor at ground potential, (the grounded neutral conductor), and the other current carrying conductor that is 120V nominal above ground, (the Hot ungrounded conductor.)

So what does that mean exactly?

There is only one AC mains protective overcurrent/ground fault circuit protection fuse that is in series with the Hot incoming mains ungrounded conductor.

In the event of a line to line overload condition the fuse will blow open. That still works the same with a 60/120V grounded system.

But what happens in the event of a ground fault condition? Remember with a 60/120V grounded system the two 120V mains are both Hot, 60 volts above ground.

If the Hot line that has the protection fuse, in series with it, were to have ground fault to the metal chassis on the load side of the fuse will it will blow? Well that depends if the chassis of the audio equipment is connected to the safety equipment ground that is bonded to the center tap of the 60/120V grounded power system. (By the way the center tap of the secondary winding is still called the neutral even though it is not used for power applications.) Your post is about defeating, lifting, the equipment ground from the equipment ground terminal on the duplex receptacle.

If the safety equipment ground is defeated, lifted, the chassis of the audio equipment will become Hot. There will exist a difference of potential, voltage, of 60V from the Hot chassis to any grounded object in the immediate vicinity of the Hot piece of audio equipment.

So what happens if you were to touch the Hot piece of audio equipment and a grounded object at the same time? There is a difference of potential of 60V present across the two points of your body in contact with the Hot chassis and the grounded object. Current will travel through your body. Thank goodness you have the GFCI protection. When the current reaches between 5ma to 6ma the GFCI circuit interrupter will trip open breaking both Hot 120V lines feeding the ground faulted audio equipment. (Well that’s if the GFCI works. That’s why they should be tested regularly by pushing the test button on the device/breaker.)

IF you didn’t defeat, lift, the safety equipment ground conductor from the duplex receptacle, then the protection fuse will blow in the even of a ground fault condition. Works just like the regular 120V power system of your home, right? It also should be mentioned the GFCI protection may have tripped open as well. It should, because the other Hot line feeding the other lead, leg, of the primary winding of the power transformer that is not fused. A ground fault circuit still exists from the hot line through the primary winding of the equipment’s power transformer to the ground fault connection of the equipment grounded chassis.

If the GFCI did not trip open, breaking both sides of the 120V hot lines feeding the ground faulted piece of equipment, that means the other Hot line is still live that is connected to the other side of the primary winding of the equipment’s power transformer. Is that a problem? Yes. The primary winding is now being fed by 60V. ( AC power in >> through the primary winding of the power transformer >> to the ground fault connected connection of the chassis >> to the equipment ground wire of the power cord >> to the safety equipment ground contact/terminal of the receptacle >> to the equipment grounding conductor of the branch circuit to where it is connected to the center tapped grounded neutral conductor. A completed circuit.) The primary of the transformer is being fed by 60Vac.

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IF you defeated, lifted, the safety equipment grounding conductor from the ground terminal of the duplex receptacle.

What IF a ground fault event, condition, were to happen on the other Hot AC (non fuse protected) mains line inside of the piece of audio equipment? Will the other Hot line protection fuse blow? It shouldn’t. It’s on the other side of the primary winding of the equipment’s power transformer. So will the chassis becomes Hot? Yes. And in the event you touch the piece of equipment while some other part of your body comes into contact with a grounded object, current will travel through your body. Hopefully when the current reaches between 5ma to 6ma the GFCI protection will trip open breaking the ground fault circuit path through your body.

If you did not defeat, lift, the safety equipment ground from the audio equipment then a ground fault event, condition, on the line will cause the 2 pole breaker in the electrical panel fed by the 60/120 grounded power system to trip open.

As you can see both the safety equipment grounding as well as the GFCI protection is critical for the electrical safety of a 60/120 grounded power system.

Probably the biggest reason a 60/120V grounded power system is only to be used in commercial or industrial controlled settings and under the control/supervision of qualified personnel.

(Note: The connection of audio equipment connected together by ICs was intentionally left out. That would add a whole other can of worms to the mix.)

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Curiosity killed the cat. What did you mean by,

I have the Equi-tech cabinet mount power center with an earth ground-

Earth Ground?