A. Automatic circuit breaking devices or fuses of the correct type and capacity shall be installed so as to protect all electric equipment and power circuits against excessive overload. Wires or other conducting materials shall not be used as a substitute for properly designed fuses, and circuit breaking devices shall be maintained in safe operating condition.
I. All devices installed on or after July 1, 2005, which provide either short circuit protection or protection against overload, shall conform to the minimum requirements for protection of electric circuits and equipment of the National Electric Code in effect at the time of their installation.
J. All electric conductors installed on or after July 1, 2005, shall be sufficient in size to meet the minimum current-carrying capacity provided for in the National Electric Code in effect at the time of their installation.
K. All trailing cables purchased on or after July 1, 2005, shall meet the minimum requirements for ampacity provided in the standards of the Insulated Power Cable Engineers Association — National Electric Manufacturers Association in effect at the time such cables are purchased.
Code 1950, §§ 45-82, 45-82.1, 45-82.3, 45-82.4; 1954, c. 191; 1966, c. 594, §§ 45.1-78, 45.1-80, 45.1-81; 1978, c. 118; 1979, c. 315; 1993, c. 442; 1994, c. 28; 1999, c. 256; 2005, c. 3.