أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
Wherever a firewall is installed between transformers, it should extend at least 1 ft (0.31 m) above the top of the transformer shell and oil tank and at least 2 ft (0.61 m) beyond the width of the transformer and cooling radiators.
