EBK ELECTRICAL WIRING RESIDENTIAL
19th Edition
ISBN: 9781337516549
Author: Simmons
Publisher: CENGAGE LEARNING - CONSIGNMENT
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Textbook Question
Chapter 7, Problem 20R
Circle the correct answer for the following statements.
- a. When selecting a trim for a recessed incandescent luminaire, select any trim that physically fits and can be attached to the luminaire. (True) (False)
- b. When selecting a trim for a recessed incandescent luminaire, select a trim that the manufacturer indicates may be used with that luminaire. (True) (False)
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When selecting a trim for recessed incandescent luminarie select any trim that physically fits and can be attached to the luminarie
Please answer quickly.
17. The filament of incandescent lamp is usually made of:
a. copper
b. silver
c. aluminum
d. tungsten
18. A current measuring instrument can be modified to measure voltages by:
a. using thicker wire in the coil
b. using a high resistance shunt
c. adding resistance in series
d. adding resistance in parallel
21. "When two power sources are connected in a series-aiding configuration, the output voltage equals the _____________"
a. supply with the highest voltage
b. supply with the lowest voltage
c. difference of the two supplies
d. sum of the two supplies
Chapter 7 Solutions
EBK ELECTRICAL WIRING RESIDENTIAL
Ch. 7 - Is it permissible to install a recessed luminaire...Ch. 7 - If a recessed luminaire without an integral...Ch. 7 - Thermal insulation is not permitted to be...Ch. 7 - Recessed luminaires are available for installation...Ch. 7 - Unless specifically designed, all recessed...Ch. 7 - Plans require the installation of surface-mounted...Ch. 7 - A recessed luminaire bears no marking indicating...Ch. 7 - Prob. 8RCh. 7 - Additional backup protection for ballasts can be...Ch. 7 - Prob. 10R
Ch. 7 - The Code places a maximum open-circuit voltage on...Ch. 7 - The letter E in a circle on a ballast nameplate...Ch. 7 - A 120-volt lamp fluorescent ballast for two...Ch. 7 - Can an incandescent lamp dimmer be used to control...Ch. 7 - A good rule-of-thumb to estimate the expected life...Ch. 7 - A post light has a 120-volt, 60-watt lamp...Ch. 7 - Define the following terms. a. A tap conductor is...Ch. 7 - Circle the correct answer for the following...Ch. 7 - Circle the correct answer for the following...
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