ELECTRICAL WIRING:RESIDENTAL-6 PLANS
18th Edition
ISBN: 9781305098329
Author: MULLIN
Publisher: CENGAGE L
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Chapter 9, Problem 18R
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Pick the correct answer in the given statements.
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An isolator is used to:
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Chapter 9 Solutions
ELECTRICAL WIRING:RESIDENTAL-6 PLANS
Ch. 9 - What circuit supplies the Master Bedroom?Ch. 9 - What unique type of electrical protection is...Ch. 9 - Prob. 4RCh. 9 - Prob. 5RCh. 9 - Prob. 6RCh. 9 - What is the estimated load in volt-amperes for the...Ch. 9 - Prob. 8RCh. 9 - How many conductors enter the ceiling fan/light...Ch. 9 - What type and size of box may be used for the...Ch. 9 - Prob. 11R
Ch. 9 - a. Does the circuit for the Master Bedroom have a...Ch. 9 - Approximately how many feet (meters) of 2-wire...Ch. 9 - If the cable is laid in notches in the corner...Ch. 9 - Prob. 15RCh. 9 - Prob. 16RCh. 9 - Prob. 17RCh. 9 - Prob. 18RCh. 9 - Prob. 19RCh. 9 - Show your calculations of how to select a proper...Ch. 9 - Prob. 21RCh. 9 - The following is a layout of the lighting circuit...Ch. 9 - Prob. 23RCh. 9 - Prob. 24RCh. 9 - May a standard electronic dimmer be used to...Ch. 9 - Prob. 26R
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- 21.Which of the following wiring methods may be used inside the duct used for vapor removal and ventilation of commercial type cooking equipment? (a.) nonmetallic sheathed cable (b.) EMT (c.) rigid steel conduit (d.) none of these 22. Ground-fault circuit-interrupter (GFCI) protection is required in all of the following locations EXCEPT: (a.) kitchen receptacles in an office building lunchroom installed within 6’ of the sink (b.) kitchen receptacles in a dwelling installed to serve counter top surfaces 10’ away from the sink (c.) receptacles in an office building restroom which has only a basin and toilet (d.) receptacle provided for servicing a rooftop air conditioning unit on the roof of a warehouse 23. Where GFCI protection is located in the power supply cord for an outdoor portable sign, the ground-fault circuit interrupter shall be located within _____inches of the attachment plug. (a.) 6 (c.) 18 (b.) 12 (d.) 24arrow_forward5. The general receptacle spacing requirements for all dwelling units are located in Section of the NEC. T F 6. The floor receptacle outlets shown in the middle of the workroom are always counted as part of the required number of receptacle outlets as described in Section 210.52(A)(1). 7. The ceiling-mounted decorative light fixture in the covered stoop area weighs 90 lb. Special mounting provisions that apply to this installation are located in Section of the NEC. 8. All exterior luminaires that are exposed to weather shall be markedarrow_forwardWhich of the following statements about equipment grounding conductors (EGCS) is true? A. The National Electrical Code permits the EGC to also perform as a grounding electrode conductor. B. More than one EGC must be used if multiple circuits are installed in a single raceway, cable, or cable tray. C. No current should be present in the EGC during normal operation. D. EGCs are required to be decreased in size to address voltage drop.arrow_forward
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