Conductors: SPC, NPC, NPC 27%, and
Grade "A" nickel.

Insulations:
MGT uses MICA reinforced cable tape followed by an impregnated fiber- glass braid jacket. The TGGT and TGT constructions use layers of PTFE tape and glass tape or glass serve under the jacket to help with cut through and moisture applications.

Saturants:
Both MGT, TGGT and TGT jackets can be saturated with PTFE or a high temperature anti-fray coating of 100% solvent free synthetic enamel