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How do you wire into the main power supply when installing a 50 amp electrical box for a small shop?
Wiki User
∙ 13y ago
Ideally you need two open breaker locations adjacent to each other. Install a 2-pole breaker to supply 120/240 volts. Rating of breaker should 50 A to subpanel. Do not bond neutral and ground in the subpanel.
Wiki User
∙ 13y ago
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What pieces of information are needed before selecting a power supply?
The main piece of information needed is the load wattage or amperage that will be connected to the power supply. Once this is known the power supply of a greater size that the load should be chosen. Also with this information the size of the wires can be calculated from the power supply to the load. Too small a wire will create a voltage drop at the load end of the circuit. This will cause under performance of the load.
How do you lock a fuse box in a residential home?
Generally the fuse box is housed in the house electrical switch board located on the outer wall of the house. Since the switchboard also houses the supply authority meter to record electrical use, the supply authorith needs access to the meter in the switch board. Accordingly the supply authority will only allow the use of a lock to which they have a master key. Usually the supply authority will supply a lock (At a small cost) with which to lock the switch board
What is instrumental power?
It could refer to the small amount of electrical power absorbed by an instrument like a voltmeter or ammeter, or alternatively it could refer to power which is instrumental in achieving some desired objective.
What is the electrical load of a cinema?
SMALL
How can I test Dayton 3 phase 3 wire heater without 3 phase power in my home with a 200 amp service?
The owners of any factories, workshops or homes which need a 3-phase supply would order 3-phase supplies from their local power companies.For a very small 3-phase appliance (not a heater!), such as a small motor, solid-state power inverter units are available nowadays which can be powered from household 1-phase supply.If you want to know how to convert a 1-phase to a 3-phase supply for high power applications it can be done using a motor/alternator set or a solid state invertor unit but to use these safely requires specialized equipment and electrical engineering knowledge. The full answer is too complicated to explain here.But, in any case, the cost of installing the right equipment to do that would not be economic: it would be much cheaper to have a new outlet, wiring and breakers for a standard household 240 Volt AC single-phase supply installed by a licensed electrician and then buy a new or secondhand heater (or more than one heater!) to get the same heat output. ALWAYS CHECK WITH YOUR LOCAL WIRING SAFETY OFFICE BEFORE YOU ATTEMPT TO CHANGE ANYTHING- ELECTRICAL SERVICE PANEL, BREAKERS, CABLES OR OUTLETS -ON ANY ELECTRICAL POWER CIRCUITSIF YOU ARE NOT ALREADY SURE YOU CAN DO THIS JOBSAFELY AND COMPETENTLYREFER THIS WORK TO QUALIFIED PROFESSIONALS.If you do this work yourself, always turn off the powerat the breaker box/fuse panel BEFORE you attempt to do any work ANDalways use an electrician's test meter having metal-tipped probes(not a simple proximity voltage indicator)to insure the circuit is, in fact, de-energized.
Is The USB port can supply power for device?
Yes, a USB port can supply a small amount of power for attached devices.
How safe it is to operate a 380 volts equipment with a 415 volts power supply?
Look on the equipment near where the electrical cable enters, and there should be a small plate with the correct voltage range printed on it.
What happens to the steel wool when the power supply is switched on?
Sending a small electrical charge through a pad of steel wool, will cause the metal to glow and burst into flames.
Does a power supply receive 120 volts?
The voltage your computer's power supply receives depends mainly on the standard electrical service delivered into homes, offices and factories by the national electrical grid in your country.Just a few examples: if you live in North America, that voltage is 120 volts but, if you live in, say, Europe or Australia, that voltage is 230 volts.More detailsThe voltages a power supply was designed to use depends on how old it is. Early power supplies were designed to use only one voltage: the standard voltage of the electrical service delivered by a country's national electrical grid for use by small appliances in homes, offices and factories .Since the invention of the personal computer most standard power supplies have been designed to operate on a wide range of voltages. (Such as from 100 volts to 250 volts.)
Can I get a small freezer for a vacation cabin?
You can get a small freezer, but make sure your cabin has a good supply of power.
How can electrical currents in acidic foods be used to power small electrical appliances?
This seems like a question from an electrical course, and is probably best answered by your course materials. It's your test question, not ours, and there won't always be someone to ask the answer of. Earn your diploma. Acid even sea water can supply small amount of current . Sulphuric acid is used quite extensively in batteries. So the same principle apply.
Is a 1000 watt amp too loud for installing in a car?
That may depend on the car you are instlling it in. But unless you have a very small sedan you will not have any problem with installing all that power inside your car
Will a 12v 1.5 amp device work with 12v 2.5 amp replacement power supply?
No. The amperage describes the total electrical energyeither produced or consumed. Voltage just describes the potential. If the power cable or power supply are only capable of 1 amp and the device consumes 2 amps... sorry, you don't have enough electrical energy available.
What does 100 to 240 V mean for use in the UK?
If "100 to 240 V" is stated on the rating plate of a small electrical appliance, such as an electric razor or a plug-in power supply for something else, that means it is designed to operate on any voltage between 100 Volts and 240 volts. * So the appliance will work if it is plugged into a 120 Volt household AC power supply in the US, Canada or elsewhere in the world which uses a similar supply and * it will also work on a 230 Volt household AC power supply in the UK or any other country in Europe or elsewhere in the world which uses a similar supply.
Can you use a 1000 MA powersupply for your 1.5 amp router?
No the power supply is too small.
When purchasing a computer case what other component is normally included?
In very inexpensive cases you often get a small power supply. With custom cases you will be allowed to select the power supply that is appropriate to your need.
What is an electrical power inverter?
The most usual type of electrical power inverter is an electronic device which converts a direct current supply - often at a low voltage such as 12 or 24 volts as is used in a vehicle - to a higher voltage alternating current such as 120 or 240 volts which can be used to supply power to a household electrical appliance. Inverters do what the name implies: they invert one type of power source to another type such as from DC (direct current) to AC (alternating current). In addition inverters can be used to convert a power source to a different level [VOLTAGE]. No matter what type is involved, because no inverter'e efficiency can ever be near to 100%, there will always be some loss of energy from the power that is supplied to the input to the power that is available at the output, but that is a small price to pay for the convenience of using an inverter.
