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Want to change the bulb when the bulb is broken , it will encounter a security
risk. When the bulb is broken , the light is not bright , this time as If the direct
holding bulb enchant , may be because light does not forget to turn off the
switch , causing leakage when changing light bulbs Risk of electric shock .
When found , but also a place to go switch off switch is also a hassle. This safety
valve is easy to solve this problem , by the physical principles , the metal conductive ,
non-conductive plastic Characteristics, a set on two different materials . Marked with
red plastic part , when people see red when Representative with po
Jiangxi University of Finance and Economics
Nanchang, China
Yu Su,
Jiangxi University of Finance and Economics
Yiqi Liu,
Jiangxi University of Finance and Economics
Zeyu Li,
Jiangxi University of Finance and Economics
Weiwen Xiong,
Jiangxi University of Finance and Economics