On Jul 30, 3:11 pm, (Chris Lewis) wrote:
.... The wire _must_ be positively connected, whether by wirenut,
solder or proper crimp device. Electrician's tape is an insulator,
not a crimp device.

I use tape as insurance. Use a wire nut, then wrap tape over that. I
suppose if the wire nut is on correctly it's not necessary, but it
makes me feel better.