When working in a temporary traffic control zone at night, what retroreflective feature is required on traffic cones under the California MUTCD?

1. Cones must be painted bright glossy metallic gold with no reflective bands.
2. Cones must feature two white retroreflective bands (6-inch and 4-inch).
3. Cones must feature a single 2-inch red reflective strip at the base.
4. Cones require no reflective material if street lights are turned on.