Q:What wire gauge should I choose for AC vs lighting?

For 1.5 Ton AC, use 4.0 sq mm copper wire. For standard room lighting and fans, 1.0 or 1.5 sq mm is recommended.

Q:What is FR vs FRLS wire?

FR stands for Flame Retardant. FRLS stands for Flame Retardant Low Smoke, which produces very low toxic smoke during high heat.