Electrical Wiring Residential
18th Edition
ISBN: 9781285170954
Author: Ray C. Mullin, Phil Simmons
Publisher: Cengage Learning
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Textbook Question
Chapter 26, Problem 18R
Fire alarm cable generally used in more complex residential fire alarm and security systems is marked (FPL) (low-voltage bell wire) (THHN). (Circle the correct answer.)
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Chapter 26 Solutions
Electrical Wiring Residential
Ch. 26 - In your own words, explain the terms alarm and...Ch. 26 - The requirements for household fire alarm systems...Ch. 26 - Do heat alarms and carbon monoxide alarms take the...Ch. 26 - Name two basic ways that smoke alarms are powered.Ch. 26 - Name the two types of smoke alarms.Ch. 26 - List the absolute minimum level of smoke alarm...Ch. 26 - Circle the correct answer from the following...Ch. 26 - Circle the correct answer from the following...Ch. 26 - Circle the correct answer from the following...Ch. 26 - Prob. 10R
Ch. 26 - Prob. 11RCh. 26 - An important but often overlooked requirement in...Ch. 26 - Carbon monoxide is ____________, and is...Ch. 26 - Circle the correct answer from the following...Ch. 26 - The wiring of more complex household fire alarm...Ch. 26 - Circle the correct answer from the following...Ch. 26 - Circle the correct answer from the following...Ch. 26 - Fire alarm cable generally used in more complex...Ch. 26 - When installing a fire alarm system or a complete...Ch. 26 - Residential sprinkler fire protection systems are...
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- The easiest place to install an ammeter into a stepper motor driver/motor circuit for system diagnostics is to attach the meter in series with the driver’s power supply lead. remove a fuse and place the meter leads across the fuse clips. disconnect a motor lead and attach the meter in series with that lead. connect the meter across the center tap and phase leads of the motor.arrow_forward45. 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 answersarrow_forwardIf you are going to choose between a fuse and a circuit breaker as a disconnecting means, what will you choose and why?arrow_forward
- 13. Which of the following is a method for identifying a grounding terminal for connecting an equipmentgrounding conductor to a device?A. The letters EGCB. A green octagonal nutC. A red pressure wire connectorD. A green screw with a hexagon headarrow_forward15. What does a grounding symbol on a construction drawing convey?A. A single ground rodB. A grounding electrode systemC. A ground-fault current pathD. An equipment grounding conductorarrow_forward2. 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_forward
- Sketch the electronic symbol (schematic) for the following components/ devices. Briefly describe the function of the electronic component and use the IEEE/ANSI standard symbol as indicated below. Component/ Device IEEE/ANSI Standard Symbol Function 1. Wire 2. Wires joined 3. Wires not joined 4. Cell 5. Battery 6. DC Supply 7. AC Supply 8. Fuse 9. Transformer 10. Ground (Common) 11. Lamp (Lighting) 12. Lamp (Indicator) 13. Heaterarrow_forwardActivity #3 Manual Transfer Switch Circuit Breaker type Introduction: Illustration/set up/ circuit diagram: How MTS work? The procedure of operating the Manual Transfer Switch (MTS)arrow_forwardEquipment Grounding 10. Which of the following statements about ground faults is true?A. They usually occur between any grounded circuit conductor and the equipment grounding conductor. B. They're often normal and typically intentional.C. They can't result from human error.D. They can happen if a conductive tool is dropped in an energized equipment's electrical enclosure.arrow_forward
- 8. Connect the Electronic VOM, set to the ammeter function on the 15mAdc range,between points A and D.9. Close switch S1. Measure current IAB. IAB = 19.5 mAdc 10. Measure current IAD flowing through resistor R1. IAD = 14.8 mAdcAre currents IAB and IAD entering or leaving point A? __________ Is the sum of currents IAB and IAD equal to total current IT? __________Is the current IAB entering or leaving a junction point B? __________arrow_forwardWhat types of fuses are heavy-duty time delay fuses used for circuits that have motor loads or circuits with motors that cycle on and off frequently? A. Types S and TB. NTDF fusesC. Edison-base fuses D. Types TL and SLarrow_forwardschedules are typically provided to detail the circuits and overcurrent protection required for listribution equipment. Branch-circuit - Outlet C. d. ore distribution points for electrical in .... Switch Panelboardarrow_forward
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