For replacing BA15s (#1156) Single Contact (level side pins) Bayonet bulbs in popular bulkhead reading lamps. Impressive light output and focused beam angle make it ideal for your boat's reading lamps. Fixtures using the single-contact #1156 BA15s lamps are frequently found in older boats and RV's. Reading lights in newer boats & RVs typically use the double contact #1142 BA15d bulbs. For these, we sell the ILBA1142-04W.
