When the neutral wire goes to the switch
I assume you are hard wiring it and not plugging it in. The power coming into the GFCI outlet connects to the line side of the GFCI outlet. If you want the outdoor timer protected by the GFCI then connect the wire going to the timer to the load side of the outlet. If you do not want the timer protected then connect it to the line side. On the back of the GFCI if you look closely you will see Line & Load marked on the back.
If you are adding the pull chain to an existing fixture then the pull chain switch should have two wires. Wire nut either one to the hot wire coming in and the other to the black wire of the fixture.
Wire is the transition material used to carry the electric current; the switch is the controller of that current.
The two wires which connect the timer switch on a Century 87423 battery charger are the red and black wires. The red goes to the positive connector while the black goes to the negative connector.
First you need to decide what you are trying to accomplish. You can wire the Timer switch in series with or parallel to the 3-way switches. If in series then the 3-way switch function would depend on the timer state. If the Timer switch was ON then the 3-way switch could turn the connected device ON or OFF from either location. If the Timer switch were OFF the device would be OFF no matter what you did with 3-way switches. To wire in this fashion put the timer between the supply and the input to the switches. If the Timer is in parallel then if the Timer is ON it doesn't matter what you do with the 3-way switch, the device will be ON as long as the Timer is ON. If the Timer is OFF then the 3-way switches will work in their normal fashion. To wire in parallel connect the supply to one side of the Timer and the device to the other.
To wire a timer to 3 parallel switches, connect the hot wire from the power source to the common terminal of each switch. Then connect the traveler wires from each switch to the timer input terminal. Finally, connect the load wire from the timer output terminal to the fixture being controlled. Make sure to follow the manufacturer's instructions for your specific timer model.
Some timer switch options that do not require a neutral wire include battery-powered timers, mechanical timers, and electronic timers with a capacitor.
To set up a timer switch for your exhaust fan, you will need to connect the timer switch to the power source and then wire it to the exhaust fan. Set the timer according to your desired schedule for the fan to turn on and off automatically.
Some timer switch options that do not require a neutral wire for installation include battery-powered timers, mechanical timers, and some smart timers that use alternative wiring methods.
To put a timer on a light switch, you can install a timer switch that replaces your existing switch. This timer switch allows you to set specific times for the light to turn on and off automatically. Simply follow the instructions provided with the timer switch for installation and programming.
To program a timer switch, you typically need to follow these steps: Set the current time on the timer switch. Choose the desired on/off times for the switch. Program the switch to turn on and off at the specified times. Test the timer switch to ensure it is working correctly. Consult the user manual for specific instructions on programming your timer switch.
To program a timer switch for outdoor lights, follow these steps: Set the current time on the timer switch. Set the desired on and off times for the outdoor lights. Ensure the timer switch is properly connected to the outdoor lights. Test the timer switch to confirm it is working correctly.
To set a timer for a light switch, you can install a timer switch that allows you to program when the light turns on and off. Simply follow the instructions provided with the timer switch to set the desired time intervals for the light to operate.
To put a light switch on a timer, you can install a timer switch in place of a regular light switch. This allows you to set specific times for the light to turn on and off automatically. Simply follow the instructions provided with the timer switch for proper installation and programming.
To install a timer switch for your bathroom fan, first turn off the power to the fan at the circuit breaker. Remove the existing switch and connect the timer switch according to the manufacturer's instructions. Mount the timer switch in place of the old switch and restore power to test its functionality.
To connect a timer to a white and black house wire with red, black, and white wires, typically the black wire from the timer connects to the black house wire, the white wire from the timer connects to the white house wire, and the red wire from the timer connects to the red wire from the house. It's important to follow the manufacturer's instructions and turn off the power before installation.