Originally Posted by
cat3autoland
The danger in doing a reset is that power will be introduced into a circuit that may have a fault and during the time it takes for the c/b to react, a severe reaction "could" take place.
Not just could, but did - resulting in the loss of a Vickers Valiant on 11 May 1956.
Read about it here:
ASN Aircraft accident 11-MAY-1956 Vickers Valiant WP202