For DC shock protection, the limited, restricted, and prohibited approach boundaries are now defined in NFPA 70E-2012 Table 130.4(C)(b). This table identifies four conditions at 11 DC voltage ranges ...

Figure 1 (click here to see Figure 1) shows the NFPA 70E defined shock protection boundaries and a generic AFPB. The locations of the shock boundaries are clearly indicated in Table 130.2(C) ... Many ...