v  Acknowledgments  The  author  and  publisher  would  like  to  thank  the  following  companies,  orga-  nizations,  and  individuals  for  their  contribution  of  resource  material,  images,  or  other  support  in  the  development  of  Modern  Commercial  Wiring.  Ace  Hardware  Corp.  AFC  Cable  Systems,  Atkore  International  Appleton  Electric  Co.  Arlington  Industries,  Inc.  Brady  Corporation  Bussmann  Division  of  Cooper  Industries  Carlon,  Lamson  &  Sessions  Construction  Specifi  cation  Institute  Crouse-Hinds  Division,  Cooper  Industries  Cutler-Hammer  Fluke  Corporation  General  Electric  Co.  Hubbell,  Inc.  Ideal  Industries,  Inc.  Jack  Klasey  Klein  Tools,  Inc.  Makita  Corp.  National  Safety  Apparel  RACO,  Inc.  Ridge  Tool  Co.  RIDGID,  Inc.  Square  D  Co.