Electrical estimating is the process of determining the amount and cost of electricity required for a specific location or process. It can be done through computer software or manual calculations. The software is designed for use by electricians, architects, and electrical engineers and comes in versions for residential, commercial, or prototype development. Manual estimates are used for unique projects. Licensed electrical estimators provide a breakdown of labor and material costs, and multiple quotes are suggested for a fair price. Electrical consultants can provide estimates of total electrical demand and make recommendations to reduce expenses.
Electrical estimating is a process used by electricians, building managers, and engineers to determine the amount and cost of electricity required for a specific location or process. There are two general methods for creating accurate electrical estimates: computer software or hand calculations. Both methods have value, benefits and risks. The options in the original electrical estimating software were rather clunky to use, but recent improvements have greatly improved this electrical estimating tool.
Computer electrical estimation software has grown in popularity as it has improved in quality and performance. This tool is designed for use by electricians, architects and electrical engineers. There are several versions available for residential, commercial or prototype development.
Residential versions of this type of software often require room dimensions, room purposes, and the total building layout. The software is pre-programmed with all safety limits and electrical wiring requirements. These settings will ensure that your estimates take these rules into account. A standard program simply calculates electrical requirements based on distance from the power source and the number of outlets. Some of the rules surrounding residential wiring require the use of longer runs and dedicated circuitry. In these cases, the shortest distance between two points is not always the right option.
In commercial electrical estimating software, the software is more flexible and can calculate requirements at different voltage levels, as would be common in a manufacturing facility. Prototype software is completely open and often designed to interface with other design programs. The level of integration available varies, but can save significant time in generating accurate electrical estimates.
Manual electrical estimates are typically used for very large or very small projects, as these types of projects have many unique aspects that do not conform to standard characteristics. This method of electrical estimation requires someone with additional electrical estimation skills, as all calculations are based on measurements and professional judgment. Many professional electrical estimators, often including electrical engineers or electricians, can provide an accurate estimate by simply walking around a space and determining the customer’s needs.
A licensed electrical estimator will complete an inspection and then provide a drawing and written estimate. This offer should include a breakdown of labor and material costs. It is often suggested that you get multiple quotes to ensure you get a fair price for a successful installation.
In manufacturing, many electrical consultants will provide estimates of total electrical demand, based on current equipment and layout. They may be able to make changes or recommendations to reduce the total electrical expense through the use of load sharing or other techniques.
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