The Max Signorello RCA connector is a high quality product, using a high standard of silicone casing to protect the wiring and insulate the cord, this is an effective option for a wide variety of tattoo machines, more commonly used with RCA machines, though there are some coil tattoo machines that provide RCA compatibility, for a more reliable power source over the usual clip cords. This ensures that the cord offers a higher voltage capacity than some of the alternatives, and also helps to ensure that this voltage is maintained, reducing and avoiding voltage drop as much as possible. This is of course a very lightweight and flexible option, that provides and effective and constant delivery of power, making it a very popular selection for a wide variety of tattoo machines. However, it is important to remember that a proper power supply be used, particularly when working with a rotary machine. The motor within a rotary machine can become damaged if the power is not supplied correctly, and while a high quality RCA connector like this can help to avoid sudden voltage changes that might damage the motor it cannot completely protect against a poor quality power supply unit.