This is an accident-avoiding prescription for electricians, safety managers, and inspectors, and engineers dealing with electricity any voltage level Presenting crucial protective safety strategies for industrial and commercial systems, the Handbook references all major safety codes (OSHA, NEC, NESC, and NFPA) where appropriate, creating озбшг a unique, one-stop compliance manual for any company’s electrical safety training and reference needs.  Кольцо, серебро2005 г Твердый переплет, 560 стр ISBN 0071457720.