my inspector told me that they must not take up more than 50% of the capacity of the hole, or 4 wires max through ANY size hole. he said 3 12-2 wires is pushing it for 3/4″, but is still … Continue reading →

The Duracell 9V2 is one of the most used battery types in the world. Powering a wide range of electronic devices from media players & cameras, to wireless microphones and even portable keyboards! Are there different types of 9V batteries? … Continue reading →

Date Code: Most batteries have a date code, usually a long string of numbers and letters that show when the battery was purchased. One row of one- or two-letter codes indicates the month, the other row of numbers is the … Continue reading →

The copper content varies among different types of motors, while small motors have a higher percentage of copper per weight than heavy motors. On average, fractional electric motors are 9-10 percent copper by weight. AC motors average 7-9 percent copper; … Continue reading →

Being malleable ductile and a good conductor copper is mainly used in electrical cables electronics and chemical industries. India is critically deficient in the reserve and production of copper. Three major copper producing regions of India: i Madhya Pradesh is … Continue reading →

Electrical motors are wound with copper wire. Copper has high thermal conductivity. This makes it a good material for car radiator, which is used for cooling engines by transferring heat from the coolant to the air. The radiator can also … Continue reading →

Make sure the charger is off. Hook-up the positive cable on the charger to the positive terminal on the battery. Hook up the negative cable on the charger to the negative terminal on the battery. Set the charger to the … Continue reading →

Explanation: Bases that are soluble in water are called alkalis. For example, sodium hydroxide, potassium hydroxide, calcium hydroxide are soluble in water.But bases like copper hydroxide Cu(OH)2 ferric hydroxide (Fe(OH)3) aluminium hydroxide (Al(OH)3)do not dissolve in water. They are, therefore, … Continue reading →

Whereas an alkaline battery may drop from “powering” to “dead” pretty quickly, a rechargeable battery may hang on at a lower voltage for slightly longer, resulting in unexpected behavior such as dimming lights or a clock that can’t keep time. … Continue reading →

What are the most eco-friendly rechargeable batteries? Energizer strikes again with its basic, no-frills rechargeable AA batteries. Unlike some of the other rechargeable batteries on the market, Energizer rechargeable batteries are made of 4 percent recycled batteries. What is the … Continue reading →

Due to the chemical and electrical hazards that reside within lithium-ion batteries, these are classified as a hazardous material under the U.S. Department of Transportation’s (DOT’s) Hazardous Materials Regulations (HMR; 49 C.F.R., Parts 171-180). Is lithium toxic to the environment? … Continue reading →

Fully Charge Time: about 3 hours. How long does a 600 mAH battery take to charge? If you have a 600 mAh charger, it should take 600/600 = 1 hour to charge fully. How long does a 650 mAH battery … Continue reading →

Explain that the longer horizontal line in the battery symbol depicts the positive (+) terminal and the shorter horizontal line depicts the negative (–) terminal. Is positive right or left? negative on the left and positive on the right corner. … Continue reading →

Keep in mind that the conductors of an alternators are calculated for a definite current and the insulation at the magnetic system are designed for a definite. For this reason apparent power measured in kVA is regarded as the rated … Continue reading →

Can zinc batteries be recharged? Don’t charge an alkaline or Zinc Carbon battery, they are not designed to be charged. If charged there is a high risk of leakage or explosion of the battery.In case you would like to reuse … Continue reading →