The difference of the E27 porcelain lamp holder and E26 lampholder:
1, E means the Edison screw bulbs, 26, 27 is the nominal diameter of the light bulb thread. E26 is the American Standard Specifications, E27 is the European standard specifications. Our countries have adopted European standard specifications
2 E26 E27 least half spiral, the E26 lampholder is 110V, the latter is 220-240V, Although there is not much difference in the use of the E26 European countries certainly short life, easy on the human body is difficult to predict the harm
3 E26 E27 caliber is not quite as big, one is 26, one is 27, light bulb comparison test: You can use an E26 bulb test; feel tight E26 loose is E27; vice versa E27 lamp test: tight, E26, better rotation is E27! can also go up from the certification symbol of distinction!
High degree of remember it was E27 of the the a little higher of!
4.E26 and E27 are different in appearance, E26 usually have cable, but the E27 lampholder is usually threaded through the terminal to connect the wire; two different standards of the Department of lamp holder, E26 is the American standard system, E27 is based on IEC standards.
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