IEEE 487.4-2013 PDF
This standard presents engineering design procedures for the electrical protection of communication facilities serving electric supply locations through the use of neutralizing transformers. Othere telecommunication alternatives, such as radio and microwave systems, are excluded from this document.
This standard presents workable methods that can be used with greater reliability to improve the electrical protection of communication facilities serving electric supply locations through the use of neutralizing transformers.
New IEEE Standard – Inactive-Reserved. Engineering design procedures for the electrical protection of communication facilities serving electric supply locations through the use of neutralizing transformers are presented in this standard.
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