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This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We a… More >>

Modern Wiring Diagrams and Descriptions: A Handbook of Practical Diagrams and Information for Electrical Construction Work, Showing at a Glance All That … Need and Nothing That They Do Not Need

Aside from basic residential, commercial and industrial electrical systems, electrical contractor companies also design, install and maintain electrical systems for hurricane preparation and for lightning and surge protection.  This includes generator installation. They do upgrading and servicing of electrical panels. They also do regular electric inspection as well as electric repairs and maintenance. Such repair and maintenance work includes servicing commercial lights such as parking lot lighting, landscape lighting and even street lights. For emergencies, electrical contractor companies are prepared to make service calls with properly equipped bucket trucks.

The electric inspection done by licensed electrical contractor companies may also be done to comply with the requirements of government laws or codes. In Miami-Dade County, for example, the 40-Year Building Inspection Program requires structural and electrical safety inspection and certification for all buildings aged 40 years and above, to be renewed every ten years. The only exemptions to the requirement are buildings measuring 2,000 square feet or below, buildings occupied by ten people or less, family homes and duplexes.

The National Electrical Code (NEC) of the United States governs all electrical contractor companies and their electricians in the country. Electrical contractor companies nationwide are categorized into various types, depending on their specializations. They are the inside electrical contractors; the line electrical contractors or outside electrical contractors; and the voice/data/video (VDV) electrical contractors or integrated building systems (IBS) electrical contractors.

You should call on inside electrical contractors for all electrical work within the property boundary lines of industrial, commercial or residential, whether indoors or outdoors.

You should call on line electrical contractors or outside electrical contractors for the more sophisticated electrical work involving the high voltage power transmission infrastructure and line starting from a main power plant all the way to power substations, power facilities and power users

You should call on voice/data/video (VDV) electrical contractors or integrated building systems (IBS) electrical contractors for electrical work on various low-voltage power installations such as back-up power, energy-efficient lighting, climate control, telecommunications, fiber optics, wireless networks and security systems.

Electricians first join electrical contractor companies as apprentice electricians. They earn wages while going through a training program of three to five years covering electrical systems installation, modification, repair and maintenance. This combines on-the-job training given by licensed journeymen electricians with class lessons.

After the training, apprentice electricians can become licensed journeyman electricians by complying with state requirements. Upon getting a license, they shall be authorized for installing, modifying, maintaining and repairing electrical power systems, including the reading of blueprints, installation and troubleshooting of control wiring from drawings, and termination of cables.

Licensed journeyman electricians, in turn, can later be appointed as estimators. An estimator’s responsibilities includes calculating the entire cost of the project, from materials to labor and overhead, as well as estimating the duration of the work. These figures are used in the bid submitted by the electrical contractor company for a project and in that project’s working schedule and budget.

An estimator can eventually progress to being a project supervisor. He is then expected to handle the project’s entire workforce, making sure that quality control and safety standards are complied with and deadlines are met. He is also responsible for the submission of all relevant forms and reports.

With a full range of highly qualified licensed electricians, a professional electrical contractor company is truly your only wise choice for all your electrical service needs.