The National Electrical Manufacturers Association (NEMA) published NEMA LSD 28-2014 Minimizing the Potential of Base Arcing Between Certain Wattage HID Lamps and Lampholders
NEMA LSD 28 educates end users of high wattage HID lamps about lamp-bases and lampholders and recommends best practices for selection and maintenance.NEMA LSD 28-2014
may be downloaded at no cost on the NEMA website.
The National Electrical Manufacturers Association (NEMA) represents 350 electrical and medical imaging manufacturers at the forefront of electrical safety, reliability, resilience, efficiency, and energy security. Our combined industries account for more than 400,000 American jobs and more than 7,000 facilities across the United States. Domestic production exceeds $114 billion per year and exports top $50 billion.