cULus. Wiring is through the. Lamp is 24 mm -LRB- approx. .94 -RRB-. Height less 2 strike pins is approx. 1.5 ''. Push-in -LRB- for hole pattern 5.5 mm dia. or 4.3 x 4.6 -RRB-. : PC, Rotor : PBT Snap in pins for IP 40 A pair of lampholders provides a lamp length tolerance compensation of 3 mm .