|
|
|
| Glowing Screw |
|
This laboratory experiment in which a #12 solid wire was loosely connected to an ordinary outlet screw caused the wire and screw to actually glow. There was actually 35 Watts of power dissipated at this glowing connection and since this power was concentrated in a very small point, the temperature was very high, most likely over 1000F. This type of electrical overheating can ignite nearby combustibles easily in the right conditions. Synergy Technologies did this lab experiment as part of the Two hour training video “Understanding Electricity and Electrical Fires”.
Shown below are photos of the contact area for the screw and the wire.
|
  |
|
|
|
| |
|