For DC shock protection, the limited, restricted, and prohibited approach boundaries are now defined in NFPA 70E-2012 Table 130.4(C)(b ... A large, complex flow chart from that presentation has been ...

NFPA 70E, known as the “Standard for Electrical ... However, in specific references to "hearing protection boundary" and "lung protection boundary," "shock" means a shock wave (like from an ...

NFPA 70E says that unqualified persons “shall be trained in ... People permitted to work within the limited approach boundary must be trained in the four areas delineated in 110.6(A)(1)(c)(1) through ...