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This is the full-size G40 globe, 4.92 inches across on a standard E26 base, not the 40mm E12 bulb sold for patio string lights. The milky finish hides the filament and softens glare in open vanity bars and pendants.
9W gives you 1016 lumens at 3000K, CRI above 80, and a 360 degree spread. Dimmable, with seven tested dimmer models in the spec panel.
Glass body, 2.5kV surge protection standard, cUL listed, 15,000 hours, 3 year warranty.
What does G40 mean in a light bulb?
G40 is the glass diameter, not the wattage and not the base. The number counts eighths of an inch, so 40 eighths gives you a 5 inch globe. This one measures 4.92 inches, or 125mm, which is why the same shape appears as G125 in metric catalogues. Overall height is 6.30 inches. Measure your shade before you order. A G40 won't drop into an opening cut for a G25.
Are G40 and E12 the same?
No, and mixing them up is the most common ordering mistake in this category. G40 describes the glass shape. E12 and E26 describe the screw base. They answer different questions.
The confusion comes from patio string lights, where the trade uses "G40" for a 40mm globe on a small E12 candelabra base. Those are about 1.5 inches across and usually under 1W. This is the North American lamp designation instead: a 5 inch globe on a full-size E26 medium base, the same thread as a household A19. If your socket takes a normal light bulb, this fits.
Nine watts doing twelve watts of work
1016 lumens from 9W is 113 lumens per watt. Competing large globes on the Canadian shelf hit the same output at 12W to 15W, so you're cutting a quarter to a third of the load per socket. On a six-lamp vanity bar that adds up. CRI above 80 keeps skin tones honest at a mirror, and the 360 degree spread leaves no dark patch above the bulb in an open pendant.
For the lumen-by-CCT table, the tested dimmer list, surge rating and warranty terms, open the Spec sheet (PDF). Send us your socket count and fixture type and we'll quote it wholesale, plus check whether the clear 4000K version suits the room better.
