Casual Overhead Service Mast Diagram

Buried lines are preferred primarily because they are not vulnerable to falling trees high wind and other destructive effects of weather.

Overhead service mast diagram. Typical manufactured home overhead service installation 3. Figure 2 5 shows details of a service mast with the meter on the surface of the building. Can anyone guide me to the diagram in the book.

Surface mounted meter installation. The term mast refers to the conduit and weather head that extend upward from the roof. 3 phase 4 wire wye 7 200 12 470v.

Service entrance with conduit riser overhead point of atiachment to be 18 inches minimum above top of wall service head 24 inch maximum above a top of wall unless rigidly guyed the service head maximum height when braced is 6 feet above the top of the wall alternate clevis atiachment with back up plate shim to plumb riser note 3 r7 ft 4 2 inch minimum rigid conduit. Where overhead service drop conductors terminate at a through the roof raceway or mast there is a m aximum of 6 feet of conductor length over the roof a m inimum of 18 inches of clearance above any part of a sloped roof the service mast must be no more than 4 feet from the edge of the roof measuring horizontally. See chapter 3 section 3 01 for more information about point of entrance poe.

The service drop is attached to the mast at the mast knob. Log in or sign up to leave a comment log in sign up. A mast service drop is illustrated in figure 3.

Pages 1 2 secondary service drop attachment to a mast attached to low building to provide required. The lines are also out. The service could be wired to an exterior meter as shown here or to service equipment inside the building.

If necessary to use more than one 10 length of conduit the full length 10. If the standards are met the meter base and outside disconnect can be mounted directly on the home. Overhead service mast diagram.