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When devices are grounded in most electrical system the grounds are combined without order or separation. The same ground that connects the metal box, the yoke of the electrical device and other devices is the same ground that is used at each outlet. This rarely causes any sort of problem except for sensitive electronics such as hospital equipment, high end computers and high end musical equipment.
In an isolated grounded receptacle the ground wire is insulated and comes directly from the panel to the ground connection of the receptacle. This type of grounding should produce less electrical noise on the system.
Wiki User
∙ 13y ago
Wiki User
∙ 9y agoAn isolated ground has all the devices connected together via an earth wire for safety, but the earth is not connected to the ground. An example is the earth system for the electrical supply in an aircraft.
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In North America on an isolated ground receptacle there are four terminals to be connected. These types of receptacles were used for computer power connections in business systems. The black and white wires were terminated like a normal receptacle. The bare ground wire in the cable set went to the ground terminal as normal and it grounded the receptacle's frame to the systems' ground bus. The fourth wire goes to a terminal that is connected to the isolated ground pin of the receptacle, which is isolated from the receptacles frame. The cable set used was a three wire and every receptacle was a dedicated circuit. This forth wire is then directly connected to the distribution's ground bus, with no other devices connected to it. These types of receptacles were introduced in the 70s and 80s when the building power system was considered "dirty" by an electrical engineer and there was a chance that small currents could flow in the ground system. This leakage current could interrupt or effect the computers if they were plugged into a normal receptacle. They were distinguished from ordinary receptacles as their colour was orange. Today with the improvements in computer technology and the use of uninterrupted power supplies ordinary receptacles are now back in use as a source to power ordinary desk top computers
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When an isolated ground is required does this mean a separate ground uninterupted from the main service panel or can you take separate grounds to the outlets that require isolated grounds from a sub p?
Answer for USA, Canada and countries running a 60 Hertz supply service.An isolated ground return to the panel means that the wire used for the isolated ground must have insulation on it. This is so that the isolated ground does not touch any adjacent metallic parts of the electrical system until it is placed on the ground block in the distribution panel. On isolated ground receptacles this is accomplished by using a three wire feeder. Black and white wires used as normal receptacle connections. The red wire with a green identifier tape installed to the isolated ground terminal of the receptacle and the bare ground wire to the green frame screw of the isolated ground receptacle.
Where is C9H17NO3 isolated?
C9H17NO3 is isolated in the liver.
What is an adjective for the word isolated?
Isolated is an adjective.
When was pantothenic acid isolated?
It was first isolated in the liver in 1933.
Can you connect a ground to a neutral bar?
In any distribution panel there are individual bars for each termination. The ground buss is in direct contact with the metal enclosure. The neutral is isolated from the metal enclosure. The only place where the two come into contact with each other is where a bonding screw protrudes through the neutral bar and into the metal enclosure.
When an isolated ground is required does this mean a separate ground uninterupted from the main service panel or can you take separate grounds to the outlets that require isolated grounds from a sub p?
Answer for USA, Canada and countries running a 60 Hertz supply service.An isolated ground return to the panel means that the wire used for the isolated ground must have insulation on it. This is so that the isolated ground does not touch any adjacent metallic parts of the electrical system until it is placed on the ground block in the distribution panel. On isolated ground receptacles this is accomplished by using a three wire feeder. Black and white wires used as normal receptacle connections. The red wire with a green identifier tape installed to the isolated ground terminal of the receptacle and the bare ground wire to the green frame screw of the isolated ground receptacle.
What does an isolated ground mean on a 12 volt alternator?
This might mean the ground is isolated from the case of the alternator. In a normal application, the case of the alternator is the ground connection and being bolted to the engine block via a metal bracket, the grounded case of the alternator is electrically connected to the ground lead of the battery which is also connected to the engine block. An isolated ground might indicate the alternator ground is electrically insulated from the alternator case.
Can you hook a negative ground unit to a positive ground system?
Make sure thatit is isolated from other electrical components
What is the color of wire used in an isolated ground system?
All ground wires are green or green yellow marker.
On a 77 GMC 350 HEI system with a new pickup coil why can you get no reading for resistance between either wire and ground What could cause this you can get resistance readings everywhere else?
The resistance to ground should be infinite, becouse its an isolated circuit. Any resistance to ground less than infinity would mean there is a short to ground.
Is a isolated storm a tornado?
No. An isolated storm is simply a thunderstorm that forms in an area where just a few other thunderstorms are occurring. Such storms generally cannot produce tornadoes. A tornado is a violently rotating column of air extending from the base of a thunderstorm to the ground. The thunderstorms that produce tornadoes usually come from stronger and better organized systems than those that produce isolated thunderstorms.
What do you mean when we say hat an object is grouded?
In Electronics, a "grounded" object is one that is connected to the ground through a connection that allows electricity to flow the ground. In some circumstances, for instance in a car, the rubber wheels make the car isolated from the ground, but electrically a large piece of metal can be called the ground, like the engine block or body of the car. ground in electronics is somtimes spelled GND.
Where is C9H17NO3 isolated?
C9H17NO3 is isolated in the liver.
What is an adjective for the word isolated?
Isolated is an adjective.
Sentence with the word of isolated?
A sentence with the word isolated. We live in an isolated community in the hills near New Plymouth. The violence in town was just an isolated incident.
How do you make a sentence with isolated?
He was an introvert person so he liked to be isolated. This is a sentence containing the word isolated.
What is meant by isolated gaseous atom and why this term is used in case of ionization energy?
ionization enthalpy means the energy required to remove an electron from isolated gaseous atom in its ground state . the isolated gaseous state is the state in which no other force of attraction acting on an atom form other atom . so that, we get the exact energy required to romove or add an electron to an atom. and here ground state is used to say that electron are stable and are not exited .. so , the ionization enthalpy is the energy required to remove an electron from gaseous atom which is free from other atom in that state in which electrons are stable. by shashank
