Leviton Decora Gray Rocker 4-Way AC Quiet Switch "two black wires" Questions

...have one red going into the 3 wire cable, a black going to the 3 wire cable, and a black form incoming power to the side opposite the 3 wires, and a blck going to the two wire cable. There.

black wires on the old switch and no white hooked up . And i am trying to hook up a intermaticmodel ST01 self adjusting timer http://waterheatertimer.org/ST01C-program.html#ST01C The ST01C timer has a

...black wires that are attached to this switch? There are two wires on back of GFCI combo switch outlet The switch controls these two black wires on back of GFCI device. For example if you have a black ...

...Black wires connect to brass-colored screws White wires connect to silver-colored screws The brass and silver colored screws are typical of all residential receptacles. The color-code tells the ...

...black. (These two wires are interchangeable, except that in one position both toggles up or both down would ON. In the other position one toggle up and the other down would be ON.) The "third wire" ...

...wires. one from the light and one from the fan. the fan wire has a black white and ground. the light wire has just a black and white. not sure how to hook up to switch.... Oh Boy! ...Oh Boy! Lol...:) ...

black wires from the three-wire cable to the traveler screw terminals. 3. Join the white neutral wires together with a wire connector and pigtail the grounding wires to the grounded metal box. 4. When

...BLACK AND TWO WHITE .. AND TWO BARE GROUND WIRES... Andrea, There are two issues here. The red and green wires are not standard, so rather than assume, you'll have to confirm where they go on the ...

black wires attached to from different runs and the two white wires from the two runs wire nutted together. Shouldn't there actually be three switches here? what is happening is the one with two black

...black wires together and one bluish/grey by itself from the wall. The old switch (also levity) only had two black wires on it. The top wire was connected to the single wire and the bottom wire was ...