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Monthly Archives: December 2017

Buy Right Generator for Budget

Identify your requirements

What will you use the generator for? Are you going to use it to power heavy equipment or will you use it for emergency power for your home or business? For home or personal applications, a single phase power generator with 5kW to 30kW will suffice. For industrial applications or to power a large business, three phase power generators from 30 kW to 6 megawatts are recommended.

Research

Many well-known brands offer a comprehensive range of generator sets. To determine which one fits your requirements, do some research. Search the Internet for more information about each brand. Popular brands will most likely have their own websites or suppliers of these brands may have their available generators listed online. You can also check out product listing websites or forums and see what other users have said regarding a particular generator model. Doing some research can give you a better idea of a generator’s specification and price range.

New or used generators

After identifying your needs and doing your research, you can now decide whether to purchase a new generator or a second hand generator. The advantage of a new generator is that it comes with the standard manufacturer’s warranty. However, this warranty may not be cost effective for your intended purpose or budget. Depending on its terms, conditions and coverage period (1 or 2 years), the cost of the warranty will need to be considered with the cost of the generator unit. Also, some new generator models may require buyers to wait before they can acquire the unit because of limited availability.

Used generators usually do not come with a warranty, but the main advantage of purchasing a used generator is its much lower price. A buyer following a strict budget can save up to 50% or even more by purchasing a low-hour used generator instead of a new one. And since most brand manufactured generators are built for industrial strength and durability, the risk that a used generator will not last is often small. When possible, purchase a used generator that was only used for emergency or back-up power. A back-up generator was only used during a power outage or when the mains power supply was down and is likely to have minimal hours of usage.

When buying a used generator, consider purchasing from a trusted generator supplier as they conduct a thorough inspection and testing on any used equipment they sell so you can be sure that their used generator is still in excellent condition.

Tricks Buying Electric Wires

Material:

Usually, two types of materials are used for making electric wires: Aluminum and copper. If you need them for home wiring, we suggest that you always opt for copper quality. Aside from this, you should go for wires with multiple strands rather than single-strand wires. The important thing is that the wire should have a quality mark called ISI. Secondly, you should look for the electrolytic grade. It is recommended that you buy copper wires with an electrolytic grade of 99.97%.

Size of the wire

Usually the most common size of the wires is between 1 sq mm and 4 sq mm. For AC points, the recommended size is 4 or 6 sq mm. For light points, the commonly used size is 1.5 sq mm and so on. It’s very important to go for the right size or you may be wasting your money on unnecessarily thick wires.

Insulation of the wire

Usually, good electric wires come with three layers of insulation. The first layer offers protection from water. The second layer offers protection from heat and the third layer gives protection from fire. Typically, fire and heat resistant products come with a quality mark of HRFR. Ideally, you should look for wires that can withstand a temperature of over 100 Celsius.

Wire insulation color

Since there are three phases, you should choose three different colors for the wires. Mostly, black is for the neutral wire. Green is used for the earth wire. But keep in mind that the color for the neutral and earth can be different based on the country you live in. For instance, in America, the live wires can be blue, red or black. On the other hand, the neutral is white or gray. In India, on the other hand, the green is the earth wire.

Gas Water Heater

If the water heater is not heating the water it could be due to a malfunction with the thermostat. In gas water heater the thermostat is the thermoelectric device called a thermocouple. It is made of a strip of two metals that checks the temperature of the flame from the pilot burner. If the temperature is not sufficient to light the pilot burner then it will shut off the gas supply. If there is a bad thermocouple it could cause the gas supply that remains to shut off even if the water heater is in good condition. If it is not the thermostat then the next thing to check is the pilot burner. The flame that comes from the pilot burner is directed onto the thermocouple. This will allow it to gauge the temperature of the flame and if there is not sufficient heat coming from the pilot burner then it might cause the thermostat to keep the supply of gas turned off.

This is something that the homeowner can fix instead of calling a handyman to fix it. If the thermostat and pilot burner are not positioned so the flame reaches the thermostat at the right intensity you can reposition the assembly to make sure this happens. You also want to make sure that both are free from grime and sediment. You may have to replace one or both of these components if neither are working correctly. If you are not sure what is causing your water to be lukewarm then you may need to call a professional to figure out the problem. If your gas water heater is producing water that is rust-colored it could be corrosion inside the tank due to electrochemical reactions. It could also indicate that the anode heating rod will need to be changed.

LED Power Supplies

The Units Allow Different Configurations

LED power supplies allow you multiple ways of connecting them to LEDs. The most common ways include: series, matrix, parallel and independent strings. Each configuration has its pros and cons and all you need to do is to research and find the right configuration for your setting.

The Units Come Have Many Benefits

There are many benefits that come with installing LED power supplies in your home or place or work. LEDs are designed to operate on low voltage, direct current electricity; however, most applications work on high voltage, alternating current.

An LED power supply converts high voltage, alternating current to low voltage, direct current.

The unit also protects the LEDs from voltage or current fluctuations. This aids in ensuring that your LEDs have a long life.

The Units Need To Be Well Maintained

Just like anything else in life, you have to take good care of your unit for it to last for a long time. One of the things that you need to do is potting. Potting the unit aids in enhancing the ingress protection (IP) rating.

Potting also provides a waterproof barrier that ensures that water doesn’t get access to the components inside the unit.

Experts have also been able to show that potting also aids in reducing the thermal stress on the unit thus increasing reliability and lifespan.