NABCEP Regulatory Compliance & Industry Standards 5

Question 1

Which federal agency administers the Investment Tax Credit (ITC) rules that solar installers must understand to advise customers?

Accepted Answer

Internal Revenue Service (IRS)

Answer

The IRS administers federal tax credits including the ITC (Section 48 for commercial, Section 25D for residential) under the Internal Revenue Code.

Question 2

A PV installer is asked to install a system on a historic building. Which federal law may restrict mounting methods and visible equipment placement?

Accepted Answer

National Historic Preservation Act (NHPA)

Answer

The NHPA (Section 106) requires federal agencies to consider effects on historic properties listed or eligible for the National Register of Historic Places.

Question 3

What is the minimum ground clearance required for unprotected PV wiring routed beneath a PV array on a roof per NEC 690.31?

Accepted Answer

Wiring must be enclosed in a listed wiring method

Answer

NEC 690.31 requires conductors beneath PV arrays to be enclosed in a listed wiring method (conduit, raceway, or cable assemblies) appropriate for the location.

Question 4

A contractor installs a grid-tied system without obtaining the required building permit. Under most state contractor licensing laws, what is the likely consequence?

Accepted Answer

Potential license suspension, fines, and liability for correction costs

Answer

Unpermitted work typically violates both contractor licensing laws and building codes, exposing the contractor to license discipline, monetary fines, and responsibility for correction costs.

Question 5

Which ANSI standard defines performance and safety requirements for stand-alone and grid-connected battery charge controllers?

Accepted Answer

ANSI/UL 1741

Answer

UL 1741 (adopted as an ANSI standard) covers inverters, converters, and charge controllers for distributed energy resources including battery charge controllers.

(NABCEP) Certified North American Board of Certified Energy Practitioners Specialist Practice Test

(NABCEP) Certified North American Board of Certified Energy Practitioners Specialist Practice Test

NABCEP Regulatory Compliance & Industry Standards 5