Electrical Category
Every home has a circuit panel, most of which contain a set of switches that can be flipped to turn power on and off to different areas of the house. What many people don’t realize is that most circuit breaker boxes control several different types of circuits. Since every area of your house has different electrical needs, each area has to be specially wired, and there are different concerns having to do with different areas.
What all circuits have in common, however, is that they have both hot and neutral wires. The hot wire is usually black or red and leads out to the outlets and electrical fixtures in the area controlled by the circuit, while the neutral wire is usually white and exists mainly to complete the circuit.
Types of circuits
Most circuits in private homes carry 120 volts, although you will occasionally see 240-volt circuits. When a circuit draws too many amps (i.e., the demand from the appliances and fixtures plugged in to the circuit is too high), the breaker will trip or a fuse will blow. To prevent unsafe conditions, home circuit systems are designed to automatically shut off when this happens.
A typical 120-volt circuit can serve a few outlets with normal power demand. However, some homes have specialized circuits devoted specifically to high-power items such as dishwashers or refrigerators. When this happens, many circuits and breakers automatically shut down.
Grounding and polarization
Because short circuits can cause shocks, circuits need to be grounded so that any excess electricity will be neutralized. That’s why most circuits have a grounding wire that gets attached to a neutral bar within the service panel. The bar is connected to the earth so that any electricity it conducts gets immediately grounded. Without this, the electricity might find its way into places where it could pose a danger.
Polarization is the process of ensuring that the electricity flows in the direction that it’s supposed to. In many of your plug-in devices you may notice that one of the prongs in the plug is wider than the other. This ensures that the electricity flows in the proper direction into the device. In items that have two prongs of the same size, it doesn’t matter which direction the electricity flows in. Polarization essentially acts as a cut-off, ensuring that devices don’t draw power even when they’re not in use.
If you’re on a budget and need a new appliance, then your first inclination may be to go for the cheapest one. But before you lay your credit card down, think twice about whether the cheapest appliance is actually the most cost-effective one. After all, cheap appliances tend to waste a lot more energy, which means that while you may save money now, you’ll end up paying higher electricity bills in the long run.
The first and most important thing to keep in mind when shopping for energy-efficient appliances is to look for the EnergyStar label, which indicates that the appliance has been tested and proven to be significantly more energy efficient than non-EnergyStar appliances.
Aside from that, when shopping there are additional things to be aware of, including:
- Know the size that you need. For example, if you need a refrigerator and your household comprises just you and your spouse, then you may not need all the space offered by the larger refrigerators on the market. Getting a smaller one can save both space and energy.
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Light switches tend to get used a lot, so it’s not uncommon for them to get work out or just plain dirty. After a while, it can be nice to replace an old switch with a new one. It may seem like a very minor change, but it can actually work wonders for the mood and appearance of a room. If you have an old light switch that has seen better days, follow these simple steps to replace it with a new one.
Step 1: Head to the hardware store and purchase a light switch that looks good to you. While simple light switches are of course fine, you may want to consider options such as dimmer switches and timer lights. If the old cover plate is old and damaged, then you may want to get a replacement cover plate as well.
Step 2: Turn off power to the room by flipping the appropriate switch in your circuit breaker. Back in the room, confirm that the power is off.
Step 3: Remove the screws that hold the switch cover plate in place, and pull away the switch. Then, unscrew the screws that hold the old switch in place. Gently pull out the old one, being careful not to crack or break the wiring.
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Most of us are familiar with wind power by now, and the principles behind it are relatively simple: the wind pushes the turbines, which convert the kinetic energy into mechanical power that can be used or stored. Although wind power is still a very minor form of electricity in terms of the total percentage of world power generation, it is a growing field, and advancing technology is now making it more and more possible for homeowners to use wind power at home.
Who can use home wind power?
There are several different types of home wind power setups that homeowners use to reduce their electrical bills. Depending on where you live, this type of power just might not be efficient for you. In the future, wind power will probably become more efficient, but for now, it’s really only a good investment for people who live in areas that are particularly prone to wind.
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A home generator is a great thing to have for several reasons. Most importantly, it protects your home against weather-related events that cut off the power to your neighborhood, and it also keeps your power running during those blackouts that all power companies seem to experience from time to time. But while it’s a great idea to have a generator installed at your home, it must be noted that most private homeowners are simply not qualified to perform this task and must seek the services of a professional generator installation company in order to get this equipment. If you’re considering taking this step, here are some things to be aware of.
Generator size: The size of your generator will depend on the size of your house. Most average-sized homes are anywhere between 1200 to 3000 square feet and can get by with a generator with between 5000 and 7000 watts of power. This is more than enough for powering your refrigerator, a sump pump, your television, lights, your electric furnace, and other essential electric items in your home.
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There are a lot of misconceptions going around about how to protect against power surges in the home. Many people think that all they need to do is use power strips around the home for their computers and appliances, and that this will protect against all potential problems. But the fact is that surge protectors cannot protect against most types of electrical events, and particularly powerful surges can threaten all of the electrified elements in the home, including lights and even phone and cable lines. Thus, it’s important for every home to be protected against surges not just on the level of individual appliances, but over the whole household.
Two types of protection
Protecting against power surges requires
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Solar power has been around for several decades, but the technology has only recently begun to achieve feasibility for our home power needs. In the past, home solar power was a money-saving supplement to a household’s traditional power service. If you had a tiny home with a very small electrical footprint, then you might have been able to get most of your electricity from solar power. But anyone who lived in a larger home still had to pay the power company for most of their energy needs.
Today, the best home solar power systems are becoming more and more efficient. Unless you have one of the most advanced systems, you’ll still have to buy most of your electricity from the power company, but the ratio is getting more balanced, and it’s likely only a few more years before the balance starts tipping in favor of solar.
One approach for using solar power in the home is to use it to supply power to a specific system. For example, some people use solar power exclusively to supply energy to their hot water or heating systems, while some people have entirely solar-powered kitchens, living rooms, or pools. With a system like this, installation and maintenance is straightforward. For example, when there’s a power problem in a solar-powered hot-water system, it’s easy to identify and repair the source of the problem.
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Many people are understandably reluctant to start tinkering with their home’s phone lines. The phone system is a little more complicated than the electrical system, and it’s not as if you can just shut it off as you perform your maintenance. But the good news is that phone lines aren’t as dangerous as electrical wires, and they’re actually pretty easy to work with. If you’re interested in installing a second phone line in your home, here are the steps to follow.
Step 1: Contact your local phone company and request to have a second line added to your account. You’ll probably have to wait for a phone company employee to come out and activate the service on the outside of your home. After this happens, you’re ready to begin installing your new line.
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In these tough economic times, we’re all looking for ways to cut a few bucks out of our budget here and there. And since utility bills seem perpetually to rise higher and higher, this is one area where it’s always a good idea to try to cut costs. It can be challenging, however, as there is a certain amount of power that we need to use every day, and it’s not easy to find ways to cut power use without negatively affecting our quality of life. But no matter what power-saving measures you’re already using, there’s no doubt that you can still go lower. Here are some ideas for reducing the cost of energy use in your home.
Air conditioning efficiency: If you’re using window AC units, make sure that the size of your unit fits with the size of your room. Using a too-large AC unit wastes energy and does a poor job of removing humidity. Also, be sure to keep your AC clean by washing or replacing the air filters every month. Since the dust that gathers in the filter reduces air flow, this makes the unit have to work harder to achieve the same effect.
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If you’re having problems with one of the electrical outlets in your home, it could be that the wire has shorted, in which case the wiring will need to be replaced. If you can afford to bring in an electrician, that’s probably the best idea, as working with wiring can be difficult, and you don’t want to make things worse. But if you are skilled with home-repair tasks and want to make the fix yourself, here’s what to do.
Step 1: First and most importantly, turn the power off. Don’t mess around with electricity. Go to your fuse box and switch the circuit breaker off, and then make double certain that the power in that room is off by trying lights and other outlets.
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