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QUIZ: Identifying Certified Electrical Products
Conductors and equipment covered by the NEC are acceptable only if the authority having jurisdiction (AHJ) approves them. Certified (listed) electrical products and equipment often serve as the AHJ’s basis for approval. A product must be listed where the NEC includes a requirement that equipment be listed. Are you familiar with other installation factors that the AHJ will verify in the approval process?
QUIZ: Fire Alarm Tests for Sprinklers
How well do you know the inspection and testing requirements for fire sprinklers connected to a fire alarm system? Take this quiz to find out.
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