July 1999
Test your knowledge of the code, by taking E.T.E.'s code quiz.
There are 10 questions, which are multiple choice.
Based on the 1999 Code Book.
Question #1:
Where a pipe heating cable outlet is installed for a mobile
home cold water pipe supply, the outlet shall among other requirements, be connected:
(A) to a
dedicated GFCI branch circuit.
(B) on the load side of a GFCI
protected small appliance circuit.
(C) on a general purpose circuit
where all of the outlets are on the load side of the GFCI protection for personnel.
(D) any of the above
Question #2:
A THWN-2 conductor when installed underground in raceway
shall be permitted to be derated if necessary by using the ampacity rating from what
column of the ampacity tables?
(A) 60
degree
(B) 75 degree
(C) 90 degree
(D) none of the above
Question #3:
Recreation vehicle park secondary electrical distribution
systems to 50-ampere recreational vehicle sites shall be derived from which of the
following systems?
(A) A
120/240 single-phase, 3-wire system
(B) A 120/208 three-phase wye
system
(C) A 120/240 high-leg delta
system
(D) A 277/480 wye system
Question #4:
A lightning protection system is installed on a dwelling
unit. Which of the following best describes code requirements for this installation?
(A) The
lightning protection system shall never be connected to the electrical system.
(B) The lightning protection
system shall always be connected to the electrical system.
(C) The lighting protection system
shall not be connected to the electrical system if there is a computer in the dwelling.
(D) The lighting protection system
ground shall be used to ground the electrical system.
Question #5:
A two gang metal box contains four nonmetallic cable clamps.
What is the required volume deduction when calculating conductor fill?
(A) 1
(B) 2
(C) 3
(D) 4
Question #6:
A metal-clad cable (Type MC) containing 3
pieces of No. 12 conductor is secured within 12 inches of a metal box. What is the maximum
allowable spacing of the next cable support?
(A) 3 feet
(B) 4 1/2 feet
(C) 6 feet
(D) 8 feet
Question #7:
When wiring "Places of Assembly" which of the
following wiring methods is not permitted?
(A) Tray
cable
(B) Type MC cable
(C) AC cable containing an
insulated equipment grounding conductor
(D) Type MI cable
Question #8:
Which of the following is not an approved
identification for a grounded conductor?
(A) a natural gray color
(B) a white color
(C) three continuous white
stripes on green insulation
(D) three continuous white stripes
on any color except green insulation
Question #9:
A 1/4 by 4 inch copper busbar is installed in a sheet metal
auxiliary gutter. What is the maximum permitted ampacity of this busbar?
(A) 1000
amperes
(B) 800 amperes
(C) 700 amperes
(D) 600 amperes
Question #10:
Armored cable installed in an attic accessible only through a
scuttle hole shall have substantial guard strips at least as high as the cable when within
how many feet of the scuttle hole?
(A) 8 feet
(B) 7 feet
(C) 6 1/2 feet
(D) 6 feet
Thanks for taking E.T.E.'s Code quiz!
July 99 code quiz created by Robert Keis.
If you find any discrepancies please feel free to email E.T.E. at http://www.elec-toolbox.com/email.htm.
Back to ETE's Code Quiz Page
