EBK ELECTRICAL WIRING RESIDENTIAL
19th Edition
ISBN: 9781337516549
Author: Simmons
Publisher: CENGAGE LEARNING - CONSIGNMENT
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Textbook Question
Chapter 13, Problem 12R
Electronic dimmers of the type sold for residential use (shall) (shall not) be used to control fluorescent luminaires. These dimmers (are) (are not) intended for speed control of small motors. (Circle the correct answers.)
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ENUMERATION. List down or enumerate what are asked for in each number.
1. Common types of light sources.
2. Classes of motor starters.
3. Classification of electric motors
4. Branch circuit classification.
5. Factors in selecting service conductors.
6. Factors in selecting generator
45. A switch or circuit breaker can be used as both the controller and disconnecting means if
it
a. opens all ungrounded conductors as required by NEC 430.103
b. is protected by an overcurrent device in each ungrounded conductor
c. is manually operable, or both power and manually operable
d. All of these answers
True or False
1. The point of connection of a motor for its electrical supply is called junction box.
2. The bearing placed in the shaft of the generator is included as stator part.
3. Basically, not all generators are AC generator at first, even DC generator
4. DC generator can be used as an emergency generator.
5. Circuit breakers are used in a motor circuit protection rather than fuses (safety switch).
Chapter 13 Solutions
EBK ELECTRICAL WIRING RESIDENTIAL
Ch. 13 - Prob. 1RCh. 13 - Prob. 2RCh. 13 - Prob. 3RCh. 13 - How many wires must be run between an incandescent...Ch. 13 - Complete the wiring diagram for the dimmer and...Ch. 13 - Is it possible to dim standard fluorescent...Ch. 13 - a. How many wires must be run between a...Ch. 13 - Explain why fluorescent lamps having the same...Ch. 13 - What is the total current consumption of the track...Ch. 13 - Prob. 10R
Ch. 13 - Prob. 11RCh. 13 - Electronic dimmers of the type sold for...Ch. 13 - Prob. 13RCh. 13 - A layout of the outlets, switches, dimmers, track...Ch. 13 - Prob. 15RCh. 13 - Prob. 16RCh. 13 - Prob. 17RCh. 13 - Prob. 18RCh. 13 - May a standard electronic dimmer be used to...Ch. 13 - Prob. 20RCh. 13 - Why should the power be turned off when hooking up...
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- The disconnecting means for a motor controller shall be designed so that it does not _______ automatically per NEC 430.103 A. Open B. Close C. Restart D. Shutdownarrow_forwardDiagram 43 gives the voltage pulses created by the apparatus of diagram 42. The period of the induction coil interrupter is given by approximately what value? Group of answer choices: - 1/500,000 seconds - 1/100,000 seconds - 1/500 seconds - 1/550,000 seconds - cannot tell with only the information given in the grapharrow_forwardThe pointer moving across a scale in the speedo meter is an example for ___________ of the instrumentation system. a.Feed back element b.Sensing element c.Data presentation element d.Signal conditioning elementarrow_forward
- 2. A push-button switch that contains a spring to return the button to its original after being pushed is the _______ switch. A. toggleB. slideC. push on/push off D. momentary action 3. If a mechanical switch is used to control a digital number display circuit, the likely result will be A. contact bounce.B. an extremely bright display.C. a blown fuse. D. a short circuit.arrow_forward3. What size inverse time circuit breaker will be required for short-circuit and ground- fault protection for a 1 horsepower, 120-volt motor?arrow_forwardMake a Wiring Diagram of Two – Station Start Stop Motor Control.arrow_forward
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