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2008 NEC Change Test 5

Course Name:  2008 Changes
Quiz Number:  No. 5
Teacher:  Gerald Newton
Teacher's Email:  electrician@electrician2.com

No. of Questions= 10


1.  210.12(B) Dwelling Units Exception No. 1 Where RMC, IMC, EMT or steel armored cable, Type AC, meeting the requirements of 250.118 using metal outlet and junction boxes is installed for the portion of the branch circuit between the branch-circuit overcurrent device and the first outlet, it shall be permitted to install a combination AFCI at the first outlet to provide protection for the remaining portion of the branch circuit.

250.118 lists acceptable types of equipment grounding conductors.

Question: If _______ armored cable, Type AC approved for grounding is used as a wiring method with metal outlet and junction boxes the portion of the branch circuit between the branch-circuit overcurrent device and the first outlet, it shall be permitted to install a combination AFCI at the first outlet to provide protection for the remaining portion of the branch circuit.

a) steel
b) aluminum
2.  210.12(B) Dwelling Units Exception No. 2 Where a branch circuit to a fire alarm system installed in accordance with 760.41((B) and 760.121(B) is installed in RMC, IMC, EMT, or steel armored cable, Type AC meeting the requirements of 250.118, with metal outlet and junction boxes, AFCI protection shall be permitted to be omitted.

This new change when correlated with Article 760 means that AFCIs [or GFCIs] are not permitted for individual branch circuits supplying fire alarm systems in dwellings, and such branch circuits must be installed in a metallic wiring method when installed in those areas requiring AFCI protection.

Question: For a dwelling unit an individual branch circuit installed to serve a fire alarm system that protects living areas ________ be protected using an AFCI.

a) shall
b) shall not
3.  210.19(A)(1) Exception No. 2 Grounded conductors that are not connected to an overcurrent device shall be permitted to be sized at 100 percent of the continuous and noncontinuous load.

Question:  Grounded conductors are permitted to be sized based on 100 percent of the continuous load plus ______ of the noncontinuous load.

a) 100
b) 125
4.  210.52 Dwelling Unit Receptacle Outlets. This section provides requirements for 125-volt, 15- and 20-ampere receptacle outlets. The Receptacles required by this section shall be in addition to any receptacle that is: (1) Part of a luminaire or appliance, or (2) Controlled by a wall switch in accordance with 210.70(A)(1), Exception No. 1, or (3) Located within cabinets or cupboards, or (4) Located more than 1.7 m (5 1/2 ft) above the floor.

Question: A receptacle that is split wired where only one half of the receptacle is switched ___________as a required receptacle.

a) Can count
b) Cannot count
5.  210.52(E) Outdoor Outlets has been revised. (3) has been clarified. Balconies, Decks, and Porches. Balconies, decks, and porches that are accessible from inside the dwelling unit shall have at least one receptacle outlet installed within the perimeter of the balcony, deck, or porch. The receptacle shall not be located more than 6 1/2 feet above the balcony, deck, or porch surface.

Question: A balcony that is 20 square feet or more in size that is accessible from inside the dwelling unit is required to have at least one receptacle that is no more than _______ from the balcony surface.

a) 3 feet
b) 2 feet
c) 6 1/2 feet
6.  210.52(E)(3) NEW Exception. Balconies, decks, or porches with usable area of less than 20 square feet are not required to have a receptacle installed.

Question: A balcony with usable area of less than _______ square feet is not required to have a receptacle installed.

a) 20
b) 30
c) 40
7.  210.52(G) Revised. (G) Basements and Garages. For a one-family dwelling the following provisions shall apply:
(1) at least one receptacle outlet, in addition to those for specific equipment, shall be installed in each basement and in each attached garage, and in each detached garage with electric power.
(2) Where a portion of the basement is finished into one or more habitable rooms, each separate unfinished portion shall have a receptacle outlet installed in accordance with this section.

Question: If receptacles are installed in a basement for a water softener and for a sump pump then _____ additional receptacle(s) shall be installed.

a) one
b) two
c) three
8.  210.60(A) Guest Rooms or Guest Suites. (A) General. Guest rooms or guest suites in hotels, motels, sleeping rooms in dormitories, and similar occupancies shall have receptacle outlets installed in accordance with 210.52(A) and 210.52(D). Guest rooms or guest suites provided with permanent provisions for cooking shall have receptacle outlets installed in accordance with all of the applicable rules in 210.52.

Question: Sleeping rooms in dormitories are now required to have receptacles installed so that no point measured horizontally along the floor line in any wall space is more than _______ from a receptacle outlet. (see 210.52(A))

a) 2 feet
b) 6 feet
c) 12 feet
9.  210.62 Revision Show Windows At least one receptacle outlet shall be installed within 18 inches of the top of the show window for each 3.7 linear m (12 linear ft) or major fraction thereof of show window area measured horizontally at its maximum width.

Question: Receptacles that are installed above a show window must be within _____ of the top of the show window.

a) 12 inches
b) 18 inches
c) 36 inches
10.  215.2(A)(1) New Exception Grounded Conductors Exception No. 2. Grounded conductors that are not connected to an overcurrent device shall be permitted to be sized at 100 percent of the continuous and noncontinuous load.

Question: Grounded conductors that are not connected to an overcurrent device are permitted to be sized at _____ of the continuous load plus 100 percent of the noncontinuous load.

a) 125
b) 100
c) 150



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