Lampholder, Single SVCE (561, 611,650,680,690,
          611-2,650-2,661-2, 700-2/700-3 Series,
          245, 249FF/I, 249R, 249RP,UC-24,427R)
  561      Use Starting With #2054736
           Prior to Serial #2054736 see 7016892.
600 Series Use Starting With #2054736
           Prior to Serial #2054736 see 7015833.
600-2 Seri Use Regardless of Serial Number
700-2 Seri Use Starting With #2054736
           Prior to Serial #2054736 see 7015833.
700-3 Seri Use Regardless of Serial Number But May
           Need New Mounting Bracket, See 7024431
736TR/F/C  Use Starting With Serial 2983073
           Prior to Serial #2983073 See 7003913
  245      Use Starting With #2054736
           Prior to Serial #2054736 see 7015833.
 249FF/I   Use Starting With #2054736
           Prior to Serial #2054736 see 7015833.
249R/249RP Use Starting With #2054736
           Prior to Serial #2054736 see 7015833.
   UC-24  Use Regardless of Serial Number