The NECR allows the reclassification of Class 2 circuits provided (references to Class 3 eliminated):ħ25.130 Exception No. Since the EcoSystem and T-Series buses are designed for the more stringent requirements of a Class 2 installation, EcoSystem and T-Series bus devices can be installed in a Class 1 manner when Class 2 markings are eliminated.(1) C lass 1 circuits and power supply circuits shall be permitted to occupy the same cable, enclosure, or raceway only where the equipment powered is functionally associated.

(B) Class 1 circuits shall be permitted to be installed with power supply conductors as specified: (A) C lass 1 circuits shall be permitted to occupy the same cable, cable tray, enclosure, or raceway without regard to whether the individual circuits are alternating or direct current, provided all conductors are insulated for the maximum voltage of any conductors in the cable, cable tray, enclosure or raceway. Class 1 circuits shall be permitted to be installed with other circuits as specified in NECR requirement 725.48 (A) and (B).In the configuration shown below, the EcoSystem and T-Series digital link buses are wired as Class 1. The steps required by fixture manufacturers and electrical contractors to meet the National Electrical CodeR (NECR) are also detailed in this document.ĮcoSystem and T-Series Digital Link Bus Wired as Class 1 This application note explains how the bus is installed in either type of configuration.

The bus is designed for both Class 1 or Class 2 installations. EcoSystem and T-Series Digital Link Bus Class 1ĮcoSystem and T-Series digital link digital fluorescent dimming ballasts and EcoSystem and T-Series digital link digital LED dimming drivers are connected together by a 2-wire low-voltage bus.

Class2 docs google drive