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#5333 11/14/01 08:04 AM
Joined: Nov 2001
Posts: 1
U
Junior Member
where can I find information on the max. distance between power poles?? Where can I get spec's on high voltage cables??

#5334 11/14/01 09:34 PM
Joined: Oct 2000
Posts: 2,722
Broom Pusher and
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Do you mean Utility Distribution power poles, low voltage temporary power poles [eg. 120/240 1 ph. 3 wire], or the power poles used in Offices [Receptacles and LAN Data / Comm outlets]?

For Medium and High Voltage Cable / Conductor data, check out one of the many Electrical Engineering manuals or standard handbooks which are available at your local Library [or tech bookstores].

Scott. SET


Scott " 35 " Thompson
Just Say NO To Green Eggs And Ham!
#5335 11/14/01 11:11 PM
Joined: May 2001
Posts: 717
G
Member
Article 225 gives some guidelines, but you would most likely find the "National Electrical Safety Code" a much better reference. There is a lot of material in the "American Electricians Handbook" as well as the "Lineman and Cablemens Handbook" all usually available from Amazon.com or Borders, same place now days. The NESC is the code reference BTW

#5336 11/15/01 08:25 PM
Joined: May 2001
Posts: 144
T
Moderator
Uli,
If this is in relation to an installation in Ontario, Canada follow Section 75 for related info.

75-244 Pole Spans and Framing

(1) Poles used in secondary lines shall be placed not more than 40 m apart.

(2) Subject to Subrule (3), poles used in primary lines shall be placed not more than 90 m apart.

(3) Poles used in primary lines shall be framed as per following specifications:

Specification 9 - Primary, 1Ø, 2.4 to 8 kV, Maximum span 90 m.

Specification 10 - Primary, 1Ø, 2.4 to 16 kV, Maximum span 90 m.

Specification 11 - Primary, 3Ø, 2.4/4.16 to 8.0/13.8 kV.

Specification 12 - Primary, 3Ø, 2.4/4.16 to 16/27.6 kV.

Specification 13 - Primary, 3Ø, Line Angles 4°-90°, 2.4/4.16 to 16/27.6 kV.

Specification 14 - Primary, 3Ø, Crossarm, 2.4/4.16 to 16/27.6 kV.

Specification 15 - Primary, 3Ø, Underbuilt, 2.4/4.16 to 16/27.6 kV.

Specification 16 - Primary, 3Ø, 44kV.

Specification 17 - Primary, 3Ø, Line Angles 4°-90°, 44 kV.

Specification 18 - Primary, 3Ø, Crossarm, 44 kV.


Tony Moscioni
Electrical Inspector
© Electrical Safety Authority


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