Using this DE-15 plug to terminal block breakout is a breeze. First, decide whether you'll use stranded or solid core wire for your project. Then, connect the wires to the terminal blocks on the PCB. The DE-15 plug is already attached to the PCB, so you can easily plug it into the appropriate device. When you're done with the wiring, you can put on the clip-on housing for added protection. Here are some things to keep in mind. Make sure the wires are securely connected to the terminal blocks to avoid loose connections. If you're using it with a VGA device, double - check the wiring setup to ensure it meets your non - standard requirements. For maintenance, keep it in a dry place and occasionally check the connections for any signs of wear or looseness. With proper use and care, this adapter will serve you well for a long time.