USHIO JC 20w 24v G4 base Halogen Lamp – BulbAmerica
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G4 12v 20w Halogen Bulb Jc Type Bipin Lightclear G4 Bipin Base Halogen Light Bul | eBay
G4 LED Bulbs 12V 20W Halogen Bulb Replacement, HengBo G4 Bi Pin Base JC Type T3 Light Bulb Warm White 3000K for Under Cabinets Home Lights, Non-Dimmable, (Pack of 10) - Amazon.com
Satco S9542 1.6JC/G4/LED/3000K/12V/D T3 Lamp
Satco S9220 LED 2.3W JC/G4 3000K Lamp – Lighting Supply Guy