Main Distribution Frames (MDF) shall be provided for the connection of incoming lines to thevarious parts of the development.The Main Distribution Frame (MDF) shall be galvanized steel with a primer and finish coat ofgray label enamel or other approved material. The MDF shall be furnished with a concealedhinge door and a chromium plated flush door lock with key.The capacity of the MDF shall be at least 10% greater than the number of the incominglines.Each incoming line shall be equipped with an arrestor and fuse. The arrestor and fuse shallbe able to protect a master unit from being damaged by any cases of excess voltage andcurrent which may be caused by lightning, connecting to power line, induction from highvoltage line, etc.
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