Columbia subject headings:
Electric wiring--Insurance requirements--Periodicals.
Electric wiring--Tables--Periodicals.
Electrical engineering--Law and legislation--United States.
Harvard subject headings:
Electric wiring--Insurance requirements--Periodicals.
Electric wiring--Tables--Periodicals.
Electrical engineering--Law and legislation--United States
Princeton subject headings:
Electric wiring--Insurance requirements--Periodicals.
Electric wiring--Tables--Periodicals.
Electrical engineering--Law and legislation--United States.