JLC-Tech products are available with a Chicago Plenum rated option, certified to CCEA-2000 standards complying with the city of Chicago Electrical Code.

For Chicago Plenum models, JLC-Tech products with integral drivers are provided with the installed junction box factory sealed and gasketed with integral 120-277V driver inside with 0-10V dimming connections.

Low voltage JLC-Tech products are provided with a factory installed sealed and gasketed junction box with low voltage wiring inside for connection to remote power supply (remote power supplies must be installed in a non-Chicago Plenum rated area or in a Chicago Plenum rated enclosure, by others)