Professional Custom Lamp Holder Accessories Manufacturer

What's the torque used lamp holder for each turn?

The correct installation of the lamp holder, its external components should have sufficient mechanical strength, the qualification through visual and the following test for inspection:
If the lamp holder is protected against accidental contact with live parts is the dome of Getty man,

On the housing of the light bulb socket, or fixed by a connecting ring or other external threaded parts,

Second, the torque used for each turn is as follows:
The dome cover and connecting ring of B15d lamp holder: 0.75N.m;
Dome cap and connecting ring of -B22d lamp holder: 1.25N.m;

Other external threaded parts: (0.03X the nominal outer diameter of the unit in mm) N.m