Article 502 - Class II Hazardous (Classified) Locations

the article 502 section of the chapter 5 test

Article 502 covers the requirements for electrical and electronic equipment and wiring in Class II, Division 1 and 2 locations where fire or explosion hazards ma exist due to _____.

(C) combustible dust

Raceways permitted as a wiring methods in Class II, Division 1 locations include _____.

(A) threaded RMC and steel IMC

Where flexibility is required, _____ are permitted in a Class II, Division 1 location.

(D) any of these

Boxes and fittings in which taps, joints, or terminal connections are made, or that are used in Group E locations, shall be _____ where installed in Class II, Division 1 locations.

(B) identified for Class II locations

Rigid metal conduit and IMC shall not be required to be threaded when used in Class II, Division 2 locations.

(A) True

In Class II, Division 2 locations, where provision must be made for flexibility, _____ shall apply.

(A) 502.10 (A) (2)

In Class II locations, dust shall be prevented from entering the required dust-ignitionproof enclosure through a raceway by which of the following method(s)?

(D) any of these

Seals in Class II hazardous (classified) locations shall be explosion-proof.

(B) False

In Class II locations, a permitted method of bonding is the use of bonding jumpers with proper fittings.

(A) True

Where LFMC is used in a Class II, Division 1 location, it shall _____ in compliance with 250.102.

(C) include an equipment bonding jumper of the wire type

In Class II, Division 1 locations, switches, circuit breakers, motor controllers, and fuses, including push-buttons, relays, and similar devices shall be provided with enclosures that are _____.

(B) identified for the location