𝐅𝐢𝐟𝐭𝐲 𝐓𝐡𝐫𝐞𝐞 : 𝐂𝐨𝐧𝐝𝐮𝐜𝐭𝐨𝐫𝐬 𝐚𝐧𝐝 𝐈𝐧𝐬𝐮𝐥𝐚𝐭𝐨𝐫𝐬 𝟐𝟕 𝟎𝟑 𝟐𝟔 Part 2 of 3 Plastic ( Insulator , current does not flow , no sound )