TPE rubber provides superior flexibility at sub-freezing temperatures. Resists stiffening or cracking under the most extreme weather conditions. Power indicator light allows you to see when the cord has power. Oil resistant jacket will not deteriorate when used where oil or petroleum products may be present. Flame retardant, protects against accidental cord fire. Water resistant, will not absorb water that can corrode copper conductors or cause dangerous electrical shocks. TPE rubber is 30 percent lighterweight than standard rubber cords. Blue with orange stripe.