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How would you identify if an Electrical Appliance had a grounding Wire?
Wiki User
∙ 14y ago
If you have a brand new appliance (hair dryer, toaster, fridge, tv etc) and it comes with a plug with three prongs it has a ground. If it comes with two prongs it is not grounded. The only time an electical appliance should not have three prongs is if it is "double insulated" double insulated means that the electrical components are on a chaisis that is electrically isolated from the outer case or chasis where the user can touch. This is done to greatly reduce the risk of electrical shock. If the device is not double insulated there must be a third prong or ground prong on the plug. The device will have a ground wire attached to the conducting parts of the device so that if there should be a failure such as a broken wire touching the parts that can be touched the electricity will have a path for electrical flow and again greatly reduce the risk of electrical shock to the user. If you plug in a three prong or grounded appliance and for some reason the breaker instantly trips there might be a dangerous electrical problem with the appliance which is causing electrical flow back through the ground conductor. this would also be slangly called a "shorted" circuit. It almost always causes the breaker or fuse to trip/blow.
Wiki User
∙ 14y ago
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How do system grounding and equipment grounding differ?
"System grounding" refers to the protective fuses or circuit breakers fitted inside the main panel which protect the service wiring for any particular external site or inside a particular building. "Equipment grounding" refers to the provision of protective grounding wires within any individual piece of equipment which is not of the type that is "double insulated". Taking the US as an example: in any modern home's wiring for socket outlets there are up to three wires in play. Look at the the common three-prong plug: The two slotted prongs carry the current back and forth to your appliance, from the "hot" to the "neutral". The U shaped prong - the equipment ground - is used to help protect the home from the wiring overheating and catching on fire - or you from getting a shock - from a malfunction in the appliance. It works like this: if a faulty connection occurs inside an appliance, either from material deterioration ("old age" caused by crumbling or burnt-out insulation) - or from an accident such as dropping an electric kettle onto a hard floor - it could start a home fire no matter what voltage it runs on, or could kill you if the voltage is higher than about 50 volts. To help prevent this, an equipment ground wire is attached to any exposed metal casing so that, when properly working, there will be no current in the equipment ground because it is not connected to the hot wire. If ever the hot wire makes contact with the exposed metal casing or the equipment ground wire, that would immediately cause a large surge in electrical current and that surge would blow the protective fuse (if one was fitted inside the appliance) or would exceed the rated allowed running current rating of the branch circuit breaker and cause it to trip off. Thus the flow of current to the equipment would be quickly turned off.
What everyday object is like chloroplasts?
Well Plasmodesmata serves as communication for cells. For me similar object is a cellphone because it also serves as communication
Why would a computer reboot when any appliance like vacuum cleaner or dishwasher is turned on?
The electrical circuit voltage drops when an appliance is turned on. (Lights dim, etc.) A new circuit is needed or you could purchase a UPS (Uninterrupted Power Supply) to act as a buffer and prevent the voltage drop. JR
Can you explain house wiring using electrical symbols and identify two simple circuits within a home?
Electrical symbols are used on electrical prints to show the location of devices that the architect would like located at specific spots. Two simple circuits in house wiring would be a receptacle circuit and a lighting circuit.
What does L1 L2 and L3 mean in 3 phase applications?
On a circuit board the prefix 'L' marked by a component, represents and inductor. This is usually some kind of coil, providing inductance. On large electrical installations, tags marked L1, L2 and L3, would generally indicate the three phases of a three phase electrical supply. Answer The letters, as shown, normally indicate terminals to which three-phase line conductors are connected.
How would you ground an electrical appliance?
Most are grounded through their power cords. Modern cords include a ground wire that is connected through building wiring to a grounding rod.
What would you do if the electrical cleaning equipment is grounded?
The electrical cleaning equipment should be grounded. This grounding is what protects the operator from a serious shock should the the cleaning equipment have an electrical fault occur.
What would you do if you electrical cleaning equipment is grounded?
The electrical cleaning equipment should be grounded. This grounding is what protects the operator from a serious shock should the the cleaning equipment have an electrical fault occur.
What wire would you use for a receptacle in kitchen?
To answer this question more information is required, as to the appliance electrical consumption.
What object is like a plastid?
It would be an electrical appliance. Reason is because : a.like the plastids electrical appliances are centers that captures electricity (similar to energy)
What would you do if your electrical equipment is grounded?
I would be quite happy about it, because grounding (sometimes called "earthing") really reduces your risk of electric shock from the equipment.
Would a UK electrical appliance work in Australia?
Yes- with a plug (wall socket) adaptor as our pin arrangement is different.
The speed at which an electrical current can do work is measured in which unit?
The rate at which work IS being done - or at which it would be done if you switched on an electrical appliance or some other piece of electrical equipment - is called 'power' and it is measured in watts.
What do you do if your electrical equipment is grounded?
I would be quite happy about it, because grounding (sometimes called "earthing") really reduces your risk of electric shock from the equipment.
What is the job of an insulator?
Thermal insulator, prevent heat loss and protect human or machine from heat. Electrical insulator, prevent human and machine from electrical hazard and prevent short circuit that would damage electrical appliance.
What is earthgrounding wire?
Earth wire (or earth grounding wire) is a safety system which helps prevent electric shocks. It is connected to the electrical cable of an appliance.The earth wire connects the metal frame of the electrical appliances to the ground. The convention is to have green colour for earth wires. The purpose of earthing is that in case of an insulation failure in some appliance, this wire connected to the metal body will provide a path for the current to flow on the ground. In absence of earth wire, this fault current would have flown through the body of the operator, causing electrical shock.
The object that uses up the energy being delievered in an electrical circuit is called the?
Any electrical appliance would be the object eg. a motor, a light, a heater etc
