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2008 NEC Review Practice Test 10

Course Name: 2008 NEC Review
Quiz Number:  No. 10
Teacher:  Gerald Newton
Teacher's Home Page:  http://www.electrician2.com
Teacher's Email:  electrician@electrician2.com

No. of Questions= 20


1 The feeder neutral may be smaller than the ungrounded conductors in some cases.
            
a)
True
b)
False
2 An individual branch circuit may supply only one utilization equipment.
      
a)
True
b)
False
3 A 30-ampere branch circuit may supply fixed lighting units in a dwelling.
            
a)
True
b)
False
4 A rating of any one cord-and-plug-connected utilization equipment shall not exceed 75 percent of the branch-circuit ampere rating.
      
a)
True
b)
False
5 Heavy-duty type lamp holders are required on branch-circuits having a rating in excess of 20-amperes.
      
a)
True
b)
False
6 The branch-circuit rating is determined by the conductor ampacity.
      
a)
True
b)
False
7 The wall switch controlled lighting outlet required in dwelling unit kitchens may be a receptacle outlet in lieu of a lighting outlet.
      
a)
True
b)
False
8 Receptacle outlets in bathrooms of dwelling units require ground-fault circuit interrupter protection.
      
a)
True
b)
False
9 Unless it is bare, an equipment grounding conductor must always be identified by a continuous green color or a continuous green color with one or more yellow stripes.
            
a)
True
b)
False
10 If a multi-wire branch-circuit has a branch-circuit protective device that opens each ungrounded conductor simultaneously then it can supply line-to-line loads..
      
a)
True
b)
False
11 The demand factor for three kitchen unit loads in a restaurant is 90%.
      
a)
True
b)
False
12 The minimum service load for each mobile home site in a mobile home park is 12,000 volt-amperes.
            
a)
True
b)
False
13 The optional calculation for computing the feeder or service load for a school would not apply to a school with electric space heating or air conditioning.
      
a)
True
b)
False
14 The rating of receptacles providing shore power for boats at marinas shall not be less than 30 amperes.
      
a)
True
b)
False
15 The maximum voltage drop for branch circuits and feeders combined should not exceed 3% of the circuit voltage.
      
a)
True
b)
False
16 The size and the setting for a circuit breaker used as an overcurrent protective device are identical.
      
a)
True
b)
False
17 Branch circuits in industrial establishments protected by 15-ampere overcurrent devices may supply load operating at 300 volts or less.
      
a)
True
b)
False
18 A multi-wire branch circuit protected by fuses may supply only one load, or only line-to-neutral loads.
      
a)
True
b)
False
19 A panelboard shall be protected by an overcurrent protective device having a rating not greater than that of the panelboard. This overcurrent protective device shall be located within or at any point on the supply side of the panelboard.
      
a)
True
b)
False
20 No separate receptacle load is required in guest rooms of hotels and motels.
      
a)
True
b)
False





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