Half Price Standard Code

Battery Chargers for Charging Engine-Starter Batteries
standard by Underwriters Laboratories, 04/21/2015

Electric-Fence Controllers
standard by Underwriters Laboratories, 06/30/2003

Pipe and Couplings, Polyvinyl Chloride (PVC), and Oriented Polyvinyl Chloride (PVCO) for Underground Fire Service
standard by Underwriters Laboratories, 03/15/2016

Electrically Isolated Semiconductor Devices
standard by Underwriters Laboratories, 03/19/2018

Drinking-Water Coolers
standard by Underwriters Laboratories, 03/30/2017

Pressure Regulating Valves for LP-Gas
standard by Underwriters Laboratories, 05/25/2012

Special-Purpose Metal Containers
standard by Underwriters Laboratories, 02/03/2005

Fire Pump Motors
standard by Underwriters Laboratories, 05/09/2014

Speakers for Commercial and Professional Use
standard by Underwriters Laboratories, 02/03/2016

Metal Waste Paper Containers
standard by Underwriters Laboratories, 09/29/2017