𝐅𝐢𝐟𝐭𝐲 𝐓𝐰𝐨 : 𝐂𝐨𝐧𝐝𝐮𝐜𝐭𝐨𝐫𝐬 𝐚𝐧𝐝 𝐈𝐧𝐬𝐮𝐥𝐚𝐭𝐨𝐫𝐬 𝟐𝟕 𝟎𝟑 𝟐𝟔 Part 1 of 3 Wood ( insulator , no current flow , no sound )