Its possible to link two red wires together or a red wire to a black wire. This is 14 gauge wire black and red.
Red Amp Black Twisted Cable 2 23 0076
Red and black wires twisted together. One is for the fan and the other is for the light. As you can see your answer is no the black wire should not be connected to the red wires. Typically this is indicated with a band of black or red electrical tape but other colors may be used wrapped around the wires insulation. It is very well made and will work great rewiring the speakers to my stereo in my old truck. But i have seen many 3 way switches wired wrong. Likewise twist all of the white wires together.
In addition red wires are used to connect hardwired smoke detectors to the homes power system. This is the best i can do. Join the black wires from both cables together add a 6 inch jumper cable of the same gauge twist them all together and screw on a wire cap. White wires with black or red tape. Twist the black wire from the ceiling fan kit together with the black wire from the electrical box and connect the exposed ends with a wire nut. Depending on how they are connected at the switches depends on which one you connect the fan or the light at the ceiling.
Typically the 4 wires coming from the pump would be rblg and yellow. Unlike most people i dont always use the product right away. One of the black wires is probably the line and the other carries power to some other device on the circuit. Join the white wires and cap them in the same way but omit the jumper wire. 12 awg for 20 amp circuits and 14 awg for 10 and 15 amp circuits. The well is about 100 feet deep so its doubtful that these are the motor leads but are instead connected to the motor.
When wiring a panel or installing breakers identify wire color to insure that when you are sharing the neutral the black is on phase 1 and red wire on phase 2. In 220 volt circuits red wires are the secondary live wires. They are connected together by one using the backstab connector and the other the screw. I am disabled but they asked for a review right away. Hot when a white wire is augmented with a red or black color marking this often indicates that it is being used as a hot wire rather than a neutral wire. If you have two switches to control the fan then black and red are the two wires from the two switches.
Im assuming you mean a light and not an outlet because otherwise you would not have a red wire just be careful or get someone who knows what they are doing to help. If not color all phase 2 wires with. Ceiling fans can use two hot wires. The red wire is probably the load its also possible the red is the line and you have two loads controlled by the switch. Like black wires they can also be used in some types of switch legs. Coming up out of the well casing are redblackgreen wires tied together and a single white wire.
They should both be of the same wire gauge.