Regulatory Compliance Flashcards
7 cards from real SE ENGR. practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Regulatory Compliance flashcards as text
IEEE 1547-2018 defines abnormal performance categories for ride-through; which category has the most robust ride-through requirements?
Answer: Category III
Category III has the widest voltage and frequency ride-through, designed for high-DER-penetration areas.
What is the primary purpose of anti-islanding protection required by IEEE 1547 and UL 1741?
Answer: Prevent inverters from energizing a de-energized utility grid
Anti-islanding stops inverters from back-feeding a downed grid, protecting line workers.
A supply-side (line-side) PV connection made between the service meter and the main disconnect is governed by which NEC section?
Answer: 705.11
NEC 705.11 covers source connections to the service, made on the supply side of the service disconnect.
Which standard addresses electrical safety in the workplace, including arc-flash PPE for solar technicians?
Answer: NFPA 70E
NFPA 70E defines workplace electrical safety practices, arc-flash risk assessment, and PPE.
Under NEC 110.26, what minimum depth of working space is required in front of equipment operating at 0–150 V to ground with no exposed live parts opposite?
Answer: 3 ft
NEC 110.26 Condition 1 for 0–150 V requires a 3-ft minimum working space depth.
Which ASCE standard is commonly referenced by building codes for wind and snow loads on PV arrays?
Answer: ASCE 7
ASCE 7 provides minimum design loads, including wind provisions specific to rooftop solar panels.
Per NEC 690.13, where must the PV system disconnecting means be located?
Answer: In a readily accessible location
NEC 690.13 requires the PV system disconnect to be installed at a readily accessible location.