Leviton 8299 combination

You have a short somewhere?
If you have AFCI (arc fault) instead of GFCI, then there is probably a loose wire
Troubleshoot steps on following link:
http://waterheatertimer.org/How-to-wire-GFCI.html

Gene

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The hot should be on the gold screw the neutral on the silver

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You can find relative values of collectible stuff by seeing what prices things are going for on ebay. I have no idea if anybody collects this kind of thing, but I am constantly surprised by what people collect. Try searching several different ways using the words switch, collector, collectible, antique, vintage, etc. good luck

Turn the top of the lock 180 degree's so it is pointing away from the lock and push it down. You can now set your new code.

Hope this helps

have 5 wires where to put them

By two wires if you mean just a black and white wire then this is a switch leg and you cannot use this switch at this location. All you have here is the power coming in on the black wire an leaving on the white wire. The switch just breaks the flow of electricity. An outlet cannot be used here because there is no neutral wire. This is how a switch leg is wired.
If you have something different post back.

It sounds like the threads are stripped. I would return it and get an exchange

I got one from Home Depot about a year ago...........check there - they have lots of different types of switches.

power coming in from the breaker box: black wire will go to line-hot screw, and the white wire will go to the line-white screw. the switch wires coming out of the back of the gfci- 1 will go to the load-hot screw & the other black wire will wire nut to the black wire going to the light. the white wire going to the light must go to the load-white screw.

Taking into account the category you posted in I will assume you are trying to hook up a light fixture, if that is the case a light is like a fuse when you connect the two wires you are actually making a short from one wire to the other, with that being said even though the National Electrical Code says the wire connected to the outside of the bulb (screw in part) is the neutral (white) and the center connector is hot (black). You could hook it up backwards and not damage anything.

If you are working on a switch, it's simple. A switch is just a continuation of a circuit. Simply if you put the two wires going to a switch together whatever you had connected to it would come on, therefore placement of those wires is not important.

Hope I helped...
Tim