40x Leviton 23661-SNP Shunted Fluorescent T8/T12 Bi-Pin Lamp Holder Sockets
40 Shunted Lamp Holders
These lamp holders are for fluorescent tubes or for LED tubes that have to be connected at both ends. 
These Will Not Work For Led Tubes That Are Single End Powered. (They Have Line And Neutral Applied To One End Only.) They Require Non-Shunted Lamp Holders. 
Fluorescent lamp holder or tombstone
UPC078477349755 
T8/T12
G13 base
Shunted
Snap in mounting
Medium bi-pin
Turn type with lamp lock
Medium height, (23MM) Lamp center
MOL 1.5", (38MM)
660W-600V
UL AND CSA
Color White