NEMA LSD 29-2012
- Incompatibility of T8 Ballasts (RS, PS, Doimming) and "Shunted" Bi-pin Lampholders
- standard by National Electrical Manufacturers Association, 12/06
- Category: NEMA
$150.00
$75.00
Numerous ballast manufacturers have received and verified reports of incorrect application of shunted bi-pin lampholders (tombstones) used with rapid-start (RS), programmed start (PS) and dimming ballasts. These incorrect applications have occurred in both new luminaires and field lamp and ballast retrofits.
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