This is a 3-conductor, 16-gauge cord in the overbraid style. The 3 conductors are twisted together and then braided with green and yellow cotton,
Black 16-gauge Overbraid wire
Green & Yellow 16 Gauge 3-Wire Cotton Covered Green & Yellow Wire
Southwire 16/3 SJOOW Electrical Wire - Black (Cut By The Metre)
3-Conductor 16-Gauge Cotton Cloth-Covered Bungalow Cord Overbraid Wire – Sundial Wire
16-Gauge Wire – Sundial Wire
Green & Yellow Weave 3-Wire Overbraid Cloth Covered Cord (16 gauge), Cotton - PER FOOT
3-Conductor 16-Gauge Cotton Cloth-Covered Bungalow Cord Overbraid Wire – Sundial Wire
: Tools & Home Improvement
RESHAKE 16 Gauge 3 Conductor Electrical Wire, 100FT 300V 11A Low Voltage Landscape Lighting Wire with Ground, 16 AWG Stranded Marine Wiring 16/3
Green & Yellow Overbraid wire
16/2 Black/Brown Hounds Tooth SPT-2 Cloth Covered Over Braid Wire
3-Conductor 16-Gauge Cotton Cloth-Covered Bungalow Cord Overbraid Wire – Sundial Wire
16-Gauge Wire – Sundial Wire
Will braided cables last longer than non-braided ones? - Quora
Black 16-gauge Overbraid wire