Hi Doug:

Your equipment has only ONE protective conductor (in the
power cord).  That one conductor connects the equipment 
to the external earth.  

Within your equipment, the point of origin to which the protective 
conductor in the power cord is connected is the PROTECTIVE 
CONDUCTOR TERMINAL.  Since there is only one 
protective conductor in the power cord, there can be only one
PROTECTIVE CONDUCTOR TERMINAL.

Internally, you may connect one or more PROTECTIVE 
BONDING CONDUCTORS (used to internally connect 
other parts to earth) to the PROTECTIVE CONDUCTOR 
TERMINAL.

There are some constructional rules for doing this.


Best regards,
Rich





----- Original Message ----- 
From: "Doug Kramer" <[email protected]>
To: <[email protected]>
Sent: Thursday, November 12, 2009 9:58 AM
Subject: Protective Conductor Question


In IEC 61010-1:2001 paragraph 6.5.1.2 b) it states "The integral
protective conductor connection of an appliance inlet shall be regarded
as the PROTECTIVE CONDUCTOR TERMINAL".  Are there any cases where the
protective conductor connection can be elsewhere when an IEC appliance
inlet with ground is used?  Can there be more than one protective
conductor terminal?

 

Thanks,

 

Doug Kramer

 

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