Table 13: Ambiguity from for three-step RC ladder network.

FaultAmbiguity with the following

short open (all ), short (), short (all ), open, short (), short (), open (  & 30)
open short, short (all ), short (), open, short (), short (), open (  & 30)
short short, open (), short (  & ≥18), open (  & ≥18), short (), short (), open ()
short short, open (all ), short (  & ≥18), open (), short (), short ()
open short, open (), short (  & ≥18), short (), short ()
short short, open (), short (), short (), open (), short (), open ()
short short, open (), short (), short (), short ()
open short, open (  & 30), short (), short ()
shortNo ambiguity