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A 'unit' is short for 'Board of Trade Unit', and is exactly equivalent to a kilowatt hour.
As for the cost, it varies widely depending on the country, the supplier and the agreement a consumer has with the supplier. The lowest figures in 2012 are around $0.05 per unit rising to as much as $0.50 per unit in some countries.
Typical prices for the US are in the region of $0.11 per unit. In the UK, they are $0.12 - $0.20 per unit and in other parts of Europe, $0.030 per unit is not uncommon.
Prices are subject to frequent and large changes so the figures aren't reliable but are representative during 2012.
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DevinThe cost of electrical wiring for a new home can vary depending on the size of the home, the complexity of the wiring layout, and the materials used. On average, you can expect to pay between $1.50 to $3.00 per square foot for electrical wiring installation in a new home. It is best to consult with a licensed electrician to get an accurate estimate for your specific project.
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What common metals are used for electrical wiring?
Copper and aluminum are the most common metals used for electrical wiring due to their high conductivity and relatively low cost. Copper is preferred for its superior conductivity, while aluminum is often used in larger, high-voltage cables due to its lighter weight.
How do you connect old home wiring to new wiring without a pigtail connection-There is not enough slack in the old wiring to pigtail and use a connector?
If there is not enough slack to create a pigtail connection, you can use a junction box to extend the old wiring. Cut the old wire short, strip the insulation, and connect it to a new wire with a wire nut inside the junction box. Make sure to secure the junction box properly and follow all local electrical codes.
Where can you find a basic home wiring diagram?
You can find basic home wiring diagrams in electrical wiring books, online resources such as websites or forums focused on DIY projects, or by consulting an electrician or home improvement store for guidance. It's important to ensure any wiring work complies with local building codes and safety standards.
Old wiring is red or black live?
In older electrical wiring, red is often used as a live wire, while black is typically used as a switched wire or a live wire in some cases. It's important to hire a qualified electrician to properly identify and handle the wiring in your home.
