IEEE P62.44/D15.4, Aug 2016
Voltage (1000 Volts rms or Less) Surge Protective Devices Used on Secondary Distribution Systems (Between the Transformer Low-Voltage Terminals and the Line Side of the Service Equipment)
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About This Item
P62.44/D15.4, Aug 2016 is a technical standard focused on voltage surge protective devices rated at 1000 volts rms or less for use on secondary distribution systems. It addresses protection between the transformer low-voltage terminals and the line side of the service equipment, where surge behavior can affect service reliability and equipment life. For power, energy, and industrial applications, P62.44/D15.4, Aug 2016 helps define a consistent reference for design, evaluation, and selection.
About P62.44/D15.4, Aug 2016
This standard provides guidance for surge protective devices used in low-voltage distribution paths that sit upstream of service equipment. Its technical context is the interface between transformer output and service entrance conditions, where transient overvoltages may be introduced into connected electrical systems. P62.44/D15.4, Aug 2016 is relevant to engineers and buyers who need a clear basis for understanding device suitability, application scope, and expected protective function in secondary distribution environments.
Where is P62.44/D15.4, Aug 2016 used?
P62.44/D15.4, Aug 2016 is typically used in secondary distribution systems that feed buildings, facilities, and other low-voltage electrical installations. It is especially relevant where surge protective devices are installed near transformer secondary terminals or on the line side of service equipment. The standard is useful for electrical design, equipment specification, and procurement decisions in power distribution environments that require controlled surge protection and coordinated system performance.
Importance in practice
In practice, this standard helps bring consistency to how surge protective devices are specified and evaluated for low-voltage distribution use. That matters because the installation point can affect protection levels, equipment stress, and overall system reliability. P62.44/D15.4, Aug 2016 supports clearer compliance expectations, more informed product selection, and better alignment between design intent and field application. For inactive references, it remains useful as a technical document for legacy comparison, documentation, or engineering review.
- Voltage rating: 1000 volts rms or less
- Application: secondary distribution systems
- Installation point: transformer low-voltage terminals to service equipment
- Focus: surge protective device application and evaluation
- Subject areas: power, energy, and industrial electrical systems
- Publication Date: 2016
- Standard Status: Inactive
- Publisher: IEEE
- Subject: Power, Energy and Industry Applications; Components, Circuits, Devices and Systems
- Official IEEE: Doi link
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