Mandatory rules in the NEC® contain the language ____.

A. "must" or "must not"
B. "shall" or "shall not"
C. "penalties for noncompliance"
D. "suggested but discretionary"


Answer: B

Trades & Technology

You might also like to view...

What is the difference between a payment bond and a stop notice?

What will be an ideal response?

Trades & Technology

Technician A says that a helical gear is stronger than a spur gear. Technician B says that a helical gear is noisier that a spur gear. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

Trades & Technology

Why should some refrigerant lines be insulated?

What will be an ideal response?

Trades & Technology

Hydraulic valve schematics are being discussed. Technician A says that boxes with arrows show the flow offluid when the valve is shifted. Technician B says that a box without an arrowindicates flow (if any) in the neutral position.Who is correct?

A. Technician A B. Technician B C. Both D. Neither

Trades & Technology