Such a current would be applied downstream of the RCD. If the RCD trips, or is used as a point of isolation, and the arrangement tries to apply current, you are left with a current which might have nowhere to go except the person to whom additional protection is being offered, or whom the isolation was intended to protect.
Yeh but it is such a tiny current originated through a big, erm, high value resistor.
Z.
It only takes a tiny current ... we are discussing mA. What is the safeguard if the resistor fails?
It tends to burn out and go open circuit in my experience of R.C.D. and R.C.B.O. devices.
Such a current would be applied downstream of the RCD. If the RCD trips, or is used as a point of isolation, and the arrangement tries to apply current, you are left with a current which might have nowhere to go except the person to whom additional protection is being offered, or whom the isolation was intended to protect.
Yeh but it is such a tiny current originated through a big, erm, high value resistor.
Z.
It only takes a tiny current ... we are discussing mA. What is the safeguard if the resistor fails?
It tends to burn out and go open circuit in my experience of R.C.D. and R.C.B.O. devices.
