C.P.S.3: Lesson #9- Panelboards, Switchboards, and Switchgear SCCR

Question 1

Short-circuit current rating (SCCR) is an electrical equipment rating pertaining to safety under ? conditions.

Answer 1

short-circuit

Question 2

True or false?
Interrupting rating and short-circuit current rating are two terms with identical definitions and meaning.

Answer 2

True

Question 3

Installing electrical equipment with a short-circuit current rating less than the available fault current creates serious safety hazards that may include ? .

Answer 3

shock, fire, and projectiles

Question 3

In general, ? is the ability of the equipment to withstand a certain magnitude of available fault current at a specific voltage in conjunction with an OCPD without becoming a hazard external to its enclosure.

Answer 3

short-circuit current rating

Question 4

? rating pertains to whether an OCPD can clear a fault current without becoming a safety hazard.

Answer 4

Interrupting

Question 5

Study Math

Answer 5

Study Math