Cathay electrical ceramic line wire pin type insulator PD-1 PD-2 pole accessories Type PD-1M H 220 h 80 h1 50 h2 110 D 80 d1 50 d2 16 R 10 R1 10 Minimun power frequency dry 35 Minimun power frequency wet 15 Cantileverailing load (kN) 8 Weight (kg) 0.8 About us Our company focuses on manufacturing all kinds of metal poles. This includes steel power poles, street lamp poles, telecommunication poles and many more. Foto Metal Structures was founded in 2000 with one goal in mind -