Individual cord-connected showcases, other than fixed, shall be permitted to be connected by flexible cord to permanently installed receptacles. Groups of not more than ____ such showcases shall be permitted to be coupled together by flexible cord and separable locking connectors with ____ of the group connected by flexible cord to a permanently connected receptacle.
A) two / all
B) half / half
C) four / two
D) six / one
See the answer below.
Answer: D
As specifically outlined in Sec. 410.59 of the 2017 NEC, “Individual showcases, other than fixed, shall be permitted to be connected by flexible cord to permanently installed receptacles, and groups of not more than six such showcases shall be permitted to be coupled together by flexible cord and separable locking-type connectors with one of the group connected by flexible cord to a permanently installed receptacle.”
In addition, the installation shall also comply with 410.59(A) through (E).
Owen is the owner and president of National Code Seminars and the holder of master electrician certifications in 46 states. He can be reached at [email protected].
