NEMA is the largest U.S. trade organization representing manufacturers of products used in the generation, transmission, distribution, control, and end-use of electricity. Many of NEMA's 350+ standards have been approved as American National Standards or adopted by the federal government.

NEMA LSD 14-2002
$188.00 $94.00
Provides general information and considerations involved in the design and application of dimming ci..
NEMA LSD 14-2012 (R2019)
$153.00 $77.00
NEMA LSD 14-2012 (R2019) imparts general information and considerations in the design and applicatio..
NEMA LSD 18-2003 (R2012)
$171.00 $86.00
Presents guidance in the selection of ballast type as a function of lamp switching rate to achieve t..
NEMA LSD 18-2018
$199.00 $100.00
Provides guidance in the selection of ballast type as a function of lamp switching rate to achieve t..
NEMA LSD 2-1998
$163.00 $82.00
Addresses field problems related to the retrofit of T8 lamps and instant-start ballasts into existin..
NEMA LSD 2-2012
$166.00 $83.00
Addresses field problems related to the retrofit of T8 lamps and instant-start ballasts into existin..
NEMA LSD 21-2012
$184.00 $92.00
Addresses variations in electrical and thermal parameters of small-diameter fluorescent lamps. Detai..
NEMA LSD 23-2010
$175.00 $88.00
Makes recommendations for the commissioning and maintenance of lamps in dimmable linear fluorescent ..
NEMA LSD 23-2016
$160.00 $80.00
This paper provides a recommended practice to season lamps for Fluorescent Dimming Systems. Details ..
NEMA LSD 24-2012
$195.00 $98.00
Provides information on marking metal halide lamps with the manufacturer's commercial designation, i..
NEMA LSD 25-2002
$161.00 $81.00
The objective of this paper is to provide educational information for the selection, operation, and ..
NEMA LSD 27-2012
$200.00 $100.00
Summarizes information and recommendations found in more detailed NEMA papers on individual topics, ..
NEMA LSD 29-2012
$150.00 $75.00
Numerous ballast manufacturers have received and verified reports of incorrect application of shunte..
NEMA LSD 29-2019
$152.00 $76.00
Provides information on incorrect applications of bi-pin lampholders (tombstones) used with rapid-st..
NEMA LSD 2B-1999
$190.00 $95.00
Addresses field problems related to installation of 2G11 based T5 fluorescent twin lamps with instan..
NEMA LSD 3-1998
$194.00 $97.00
Defines possible interactions between compact fluorescent lamps and remote controls typically used i..
$188.00 $94.00
$199.00 $100.00
$163.00 $82.00
$166.00 $83.00
$184.00 $92.00
$175.00 $88.00
$160.00 $80.00
$195.00 $98.00
$161.00 $81.00
$200.00 $100.00
$150.00 $75.00
$152.00 $76.00
$190.00 $95.00
$194.00 $97.00
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