Suitable cable: 0.6/1kV three core low voltage cable (cross-section 25-400mm ²), compliant with IEC 60502-2 and GB/T 12706 standards, designed specifically for building power distribution, industrial equipment, and renewable energy scenarios. Propane spray gun low-temperature shrinkage (90-120 ℃), single installation time ≤ 2 minutes, efficiency increased by 75% compared to cold shrinkage technology;