Question

ment/conditions/systems
on below to answer the question.
national electrical code (nec),
es hazardous locations, with
ticles 501, 502, and 503 covering
apors, liquids (class 1),
lass 2), and ignitable fibers (class
provide specifics for class 1, 2,
ile article 517 focuses on
ions, and article 590 addresses
ions.
he lighting and electric signs are
also covers a range of
electric cars, elevators, and
chapter 7 of the nec is dedicated
ns, including emergency systems
les. chapter 8 focuses on
stems. chapter 9 provides tables
lations.
what does article 590 of the national electrical code (nec) address?
swimming pools
temporary installations
electric signs
emergency systems

Explanation:

Article 590 of the National Electrical Code (NEC) specifically outlines requirements for electrical setups that are not permanent, which aligns with temporary installations. Swimming pools are covered under other NEC articles, electric signs are addressed in relevant sections separate from 590, and emergency systems are part of Chapter 7 of the NEC.

Answer:

B. temporary installations