I HAVE TO SAY IT LOOKS LIKE I HAVE SOME MORE STUDYING TO DO,BUT I CAN SAY BEFORE TALKING TO YOU THE ELECTRICIANS IVE ASKED ALL HAD DIFFERENT STORIES.WHICH BRINGS ME TO BELIEVE THAT EVEN THE BASICS,MANY SEEM TO HAVE TROUBLE WITH.CAN ANNYONE SUGGEST A GOOD THEORY BOOK. THANKS AGAIN IWIRE,BPHGRAVITY,HBISS.