12 wires Click to see full answer. Besides, how many wires are in a wire nut?For example, for a particular manufacturer, a gray nut may work for a minimum of two 22-gauge stranded wires up to a maximum of two 16-gauge solid wires. The next size up (perhaps a blue nut) may be suitable for two 22-gauge solid wires up to a maximum of three 16-gauge solid.One may also ask, are wire connectors color coded? Twist-on wire connectors are commonly color-coded to indicate the connector size and, hence, their capacity. Considering this, how many wires can you put in a Marette? The marettes were UL rated to not be able to accept no more than 4 wires, or whatever it says on the box.Do you need to twist wires before wire nut?With the exception of stranded wire, which we’ll talk about below, it’s important to make sure the ends of all wires are lined up before twisting on the wire nut connector. You don’t have to twist the wires together before you screw on the connector.