IEEE 487-2015 - IEEE Standard for the Electrical Protection of Communications Facilities Serving Electric Supply Locations -- General Considerations

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General considerations are presented for the electrical protection of telecommunications facilities serving electric supply locations. This standard contains material that is common to the IEEE 487(TM) family of standards (i.e., dot-series) including fundamental protection theory; basic electrical protection philosophy, concepts, and designs; protection apparatus; service types; reliability; service performance objective (SPO) classifications; and transmission considerations. In general, special protective measures, handling procedures, and administrative procedures are necessary to provide electrical protection against damage to telecommunications facilities and equipment, maintain reliability of service, and ensure the safety of personnel.

Status	Active
Board Approval	2015-06-11
History	Published Date:2015-07-31

Additional Resources Details

PAR	Approved PAR

Working Group Details

Working Group	SC6-WG - Wireline Working Group
Working Group Chair	John Fuller
IEEE Program Manager	Erin Morales
Active Projects	Active P487a - Standard for the Electrical Protection of Communications Facilities Serving Electric Supply Locations -- General Considerations Amendment: New Annex J- Guidance for Determining the Ground Potential Rise and Induced Voltages for the Design of Communications Installations at Electric Supply Locations This informative annex provides applications and examples for the calculations of electric supply location power ground potential rise (GPR) and longitudinal induction (LI) voltages at electric supply locations.
	Active P820 - Standard Telephone Loop Performance Characteristics This standard covers the general parameters and characteristics associated with telephone loops from the subscriber signaling and analog voice frequency interface to the local Class 5 switch interface. It includes only those business and residential lines in the North American public switched network where no special performance requirements are involved. This standard provides common denominators for subscriber line performance, independent of facility types, construction processes or equipment, and circuit provisioning methods.
Existing Standards	Superseded IEEE 367-1996 - IEEE Recommended Practice for Determining the Electric Power Station Ground Potential Rise and Induced Voltage from a Power Fault Guidance for the calculation of power station ground potential rise (GPR) and longitudinal induction (LI) voltages is provided, as well as guidance for their appropriate reduction from worst-case values, for use in metallic telecommunication protection design.
	Superseded IEEE 487-2000 - IEEE Recommended Practice for the Protection of Wire-Line Communication Facilities Serving Electric Supply Locations Workable methods for protecting wire-line communication circuits entering electric supply locations are presented. This document covers: the electric supply location environment; protection apparatus; services types, reliability, service performance objective classifications, and transmission considerations; protection theory and philosophy; protection configurations; installation and inspection; and safety.
	Superseded IEEE 776-1992 - IEEE Recommended Practice for Inductive Coordination of Electric Supply and Communication Lines The inductive environment that exists in the vicinity of electric power and wire-line telecommunications systems and the interfering effects that may be produced are addressed. An interface that permits either party, without need to involve the other, to verify the induction at the interface by use of a probe wire is presented. This recommended practice does not apply to railway signal circuits.
	Superseded IEEE 1137-1991 - IEEE Guide for the Implementation of Inductive Coordination Mitigation Techniques and Application Provides guidance for controlling or modifying the inductive environment and the susceptibility of affected wire line telecommunications facilities in order to operate within the acceptable levels of steady-state or surge induced voltages of the environmental interface (probe wire) defined by IEEE Std 776-1987. Procedures for determining the source of the problem are given. Mitigation theory and philosophy are discussed, and mitigation devices are described. The application of typical mitigation apparatus and techniques and installation, maintenance, and inspection of mitigation apparatus are addressed. Advice for determining the best engineering solution is offered, and general safety considerations are discussed.
	Superseded IEEE 1590-2003 - IEEE Recommended Practice for the Electrical Protection of Optical Fiber Communication Facilities Serving, or Connected to, Electrical Supply Locations This Recommended Practice presents engineering design procedures for the electrical protection of optical fiber communication facilities serving, or connected to, electric supply locations. Other telecommunication alternatives, such as radio and cable with metallic members are excluded from this document. Project purpose: This Recommended Practice presents safe and reliable methods for providing telecommunication facilities serving electrical supply locations using optical fiber.
	Active IEEE 820-2006 - IEEE Standard Telephone Loop Performance Characteristics Common denominators for subscriber line performance, independent of facility types, construction processes or equipment, and circuit provisioning methods are provided in this standard.
	Superseded IEEE 487-2007 - IEEE Recommended Practice for the Protection of Wire-Line Communication Facilities Serving Electric Supply Locations Workable methods for protecting wire-line communication circuits entering electric supply locations are presented. This document covers: the electric supply location environment; protection apparatus; service types, reliability, service performance objective classifications, and transmission considerations; protection theory and philosophy; protection configurations; installation and inspection; and safety.
	Superseded IEEE 1590-2009 - IEEE Recommended Practice for the Electrical Protection of Communication Facilities Serving Electric Supply Locations Using Optical Fiber Systems The main emphasis of this recommended practice is the engineering design of optical fiber communication facilities serving, or connected to, electric supply locations. This document includes methods for providing telecommunication facilities serving electric supply locations using optical fiber cables, and their related electronic systems, extending across the zone of influence (ZOI). (IEEE Std 1590?-2009 in its entirety, was replaced by IEEE Std 487.2 and IEEE Std 487.3.)
	Active IEEE 367-2012 - IEEE Recommended Practice for Determining the Electric Power Station Ground Potential Rise and Induced Voltage from a Power Fault Guidance for the calculation of power station ground potential rise (GPR) and longitudinal induction (LI) voltages is provided, as well as guidance for their appropriate reduction from worst-case values, for use in metallic telecommunication protection design.
	Superseded IEEE 1137-1991/Cor 1-2009 - IEEE Guide for the Implementation of Inductive Coordination Mitigation Techniques and Applications--Corrigendum 1 IEEE Std 1137-1991 provides guidance for controlling or modifying the inductive environment and the susceptibility of affected wire line telecommunications facilities in order to operate within the acceptable levels of steady-state or surge induced voltages of the environmental interface (probe wire) defined by IEEE Std 776-1987. Procedures for determining the source of the problem are given. Mitigation theory and philosophy are discussed, and mitigation devices are described. The application of typical mitigation apparatus is addressed. Advice for determining the best engineering solution is offered, and general safety considerations are discussed. This corrigendum corrects Table 3?Longitudinal Balance Performance Thresholds and the first and last sentences of the third paragraph in 8.5 of IEEE Std 1137-1991.
	Active IEEE 487.1-2014 - IEEE Standard for the Electrical Protection of Communication Facilities Serving Electric Supply Locations Through the Use of On-Grid Isolation Equipment Workable methods for protecting wire-line telecommunication circuits entering electric supply locations are presented. The electric supply location environment; protection apparatus; service types, reliability, service performance objective classifications, and transmission considerations; protection theory and philosophy; protection configurations; installation and inspection; and safety are covered in this document.
	Active IEEE 1137-2018 - IEEE Recommended Practice for the Implementation of Inductive Coordination Mitigation Techniques and Application Guidance for controlling or modifying the inductive environment and the susceptibility of affected wire line telecommunications facilities in order to operate within the acceptable levels of steady-state or surge induced voltages of the environmental interface (probe wire) defined by IEEE Std 776(TM) is provided in this Recommended Practice. Procedures for determining the source of the problem are given. Mitigation theory and philosophy are discussed, and mitigation devices are described. The application of typical mitigation apparatus are addressed. Advice for determining the best engineering solution is offered, and general safety considerations are discussed.
	Active IEEE 776-2018 - IEEE Recommended Practice for Inductive Coordination of Electric Supply and Communication Lines The inductive environment that exists in the vicinity of electric power and wire-line telecommunications systems and the interfering effects that may be produced are addressed. An interface that permits either party, without need to involve the other, to verify the induction at the interface by use of a probe wire is presented. This recommended practice does not apply to railway signal circuits.