MASTER ELECTRICIAN PRACTICE EXAM
Q&A NEW MODIFIED TESTED AND
APPROVED
A dry - type TRANSFORMER may be LOCATED in a suspended ceiling space
where it is not ready ACCESSIBLE if the voltage is 600 volts or less and has a
maximum rating of ____________ kva
A) 10
B) 25
C) 50
D( 112 --ANSWER--50
(article 450.13 (B) )
A SERVICE head can be located no further away from the point of attachment
than ____________ inches
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,A) 18
B) 24
C) 36
D) 48 --ANSWER--24"
(article 230.54) (C) (exceptions)
ACCEPTABLE METHODS of connecting GROUNDING and BONDING
conductors include all the following, EXCEPT:
A) Solder joints
B) Terminal bars
C) Exothermic weld
D) Listed pressure connectors --ANSWER--solder joints
(article 250.8 (A)
The amount of available fault current at the service depends upon the :
A) Method of bonding
B) Method of grounding
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, C) Size and impedance of the service transformer
D) Ampere rating of the over current protection device --ANSWER--Size and
impedance of the service transformer
( general knowledge )
For a residential service calculation, heat pump loads are required to be
calculated at _______________ percent of the nameplate rating when used
without any supplemental electric heating.
A) 65
B) 80
C) 100
D) 125 --ANSWER--100%
(article 220.82 (C) (2) )
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