Category: Engineering & Technology

Hawkins Electrical Guide v. 04 (of 10) Questions, Answers, & Illustrations, A progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications

The selection of the system of transmission and distribution of electric energy from the generating plant to lamps, motors, and other devices, is governed mainly by the cost of the metallic conductors, which in many electrical installations, is a larger item than the cost of t...

Chapters

9. CHAPTER XLIV

=Introduction.=—The practical development of the storage battery is comparatively recent, although a knowledge of the phenomena upon which its actions are based, dates back to 1...

2. CHAPTER XXXVII

The wireman who is called upon to plan and install a system of wiring will find it necessary first to have a knowledge of the various kinds of wire so as to select the one best...

3. CHAPTER XXXVIII

The term _wiring_ is commonly understood to mean the methods employed in laying the conductors used for the transmission and distribution of electrical energy for lighting, powe...

1. CHAPTER XXXVI

The selection of the system of transmission and distribution of electric energy from the generating plant to lamps, motors, and other devices, is governed mainly by the cost of...

4. CHAPTER XXXIX

In the equipment of lighting and power plants, the cost of the outside wiring represents a considerable proportion of the total investment, sometimes costing more than the engin...

10. CHAPTER XLV

1. To carry the peak load, during hours of maximum demand; 2. To carry the entire load during hours of minimum demand, or for a short time in case of emergency; 3. To act as an...

5. CHAPTER XL

In large cities, the best method of running wires for all varieties of electrical power transmission is to place them underground. Many city authorities have made this method of...

6. CHAPTER XLI

In laying out the circuits for a dwelling house, the cut out cabinets should be located first. In many houses only one cut out cabinet is necessary, but in large houses it is co...

7. CHAPTER XLII

The devices used for giving the flashing and changeable effects to electric lights in any form are called "flashers." The mechanism may be constructed to flash a sign by spellin...

8. CHAPTER XLIII

A lightning arrester is an apparatus designed to provide a path by which lightning disturbances or other static discharges may pass to earth. Lightning arresters may be divided...