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 nearly 350 electrical equipment and medical imaging manufacturers at the forefront of electrical safety, reliability, and resilience, as well as efficiency and energy security. Our combined industries account for 360,000 American jobs in more than 7,000 facilities covering every state. Our industry produces $106 billion shipments of electrical equipment and medical imaging technologies per year with $36 billion exports.