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The Basics Of Isolated Grounding Receptacles

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01/07/2014  · http://www.naed.org/EPEC/ Learn why and how to use an isolated ground receptacle.

Isolated ground receptacles The efficient and economical way to protect sensitive electronics I SECTION Operational degradation, disruption and damage from electronic noise in a conventionally grounded circuit can happen to any piece of equipment with a microprocessor; Arrow Hart's isolated…

An isolated ground receptacle also has yokes and a ground screw, but the yokes are electrically isolated from the ground screw. Therefore, the ground screw and the receptacle body can be used for two separate ground paths. This separation isolates the receptacle …

An isolated ground receptacle (IGR) can reduce electrical noise, but if installed incorrectly, it can create a dangerous installation. This receptacle differs in construction from its self-grounding counterpart.

The interactive transcript could not be loaded. Isolated Ground GFCI Receptacles – Duration: 1:22. 7 of 7 Grounding Doesn't Protect against Electric Shock (4min:41sec) – Duration: 4:42.

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Effective ground-fault current path provided by the rigid metal conduit and isolated equipment grounding conductor connected to the isolated ground receptacle Sections 250.4(A) and (B) outline the performance criteria for grounding and bonding.

The Basics of Isolated Grounding Receptacles This receptacle differs in construction from its self-grounding counterpart. The grounding terminal for an IGR is insulated from its metal mounting yoke.

NEC 2011 Health Care - Isolated Ground Receptacles 517.16 (3min:01sec) Section 517.16 in Part II covers receptacles with insulated-grounding terminals and seems to permit isolated ground (IG) receptacles in a general or critical patient care area. The IG receptacles covered in 517.16 consist of a receptacle with the metal yoke of the receptacle isolated from the grounding screw of the receptacle.

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The primary reason for the use of isolated grounds (IG) is to provide a noise-free ground return, separate from the equipment grounding (EG) return. Isolated ground receptacles are allowed in patient care areas, but only when installed outside the immediate patient care vicinity.[1].

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1. Grounding design basics. Grounding is one of the most important and least understood aspects of the entire electrical system. The use of isolated ground receptacles requires careful wiring practices to avoid unintentional connections between the isolated ground and the safety ground.

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