0.4kv Reel insulation porcelain,53-1Iyo spool insulator ine zvivakwa zvinopfuura zviviri zveamburera.Kondakita inosungirirwa pakati pezvivakwa zveamburera zvepamusoro nepasi, uye pakati pacho pakakoromorwa.Yakanyatsobatanidzwa nemuchinjikwa ruoko kana splint ine threading misumari.