G8 and GY8 light bulbs are bi-pin bulbs with a gap of 8mm (millimeters) between the pin. G8 Bulbs – pin length is 8 mm, were the GY8 pin is 8.5mm. The pin thickness is the same as 1 mm for both G8 and GY8 bulbs.Click to see full answer. Then, what is the difference between g4 and g8 bulbs?If your bi-pin bulb measures 4 millimeters between pins, you have a G4 base bulb which comes in 6, 12, or 24 Volts. A measurement of 8 millimeters means you have a G8 base xenon bulb, which only comes in 120 Volts.Furthermore, are g8 and gy8 6 bulbs interchangeable? are these halogen bulbs with a GY8. 6 base or a G8 base? They list both in the description. They are not interchangeable. Regarding this, what is a g4 bulb? G4 halogen bulbs are a 12v bulb commonly found in under-cabinet, decorative, task and RV/Camper lighting. Their small size and relatively high output using 12V input makes them a great choice where space is a premium.What is the difference between a t3 and t4 bulb?A: The “T” in T3 or T4 type halogen bulbs refers to the tubular shape, (not base) while the number refers to the diameter of the bulb. So, “T” is for Tubular, (but they can also be referred to as the ‘peanut bu… see more.
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