The neutral contacts {HEAD ~ 126a} and {TAIL ~ 126b} also have two ends which overlap the varistors 
The neutral contacts { HEAD ~ 126a } and { TAIL ~ 126b } also have two ends which overlap the varistors
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH