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====Utility lines==== In areas with trees, utility distribution lines on poles are less susceptible to snow loads than they are subject to damage from trees falling on them, felled by heavy, wet snow.<ref> {{cite web |url = https://www.progress-energy.com/carolinas/home/safety-information/storm-safety-tips/outages.page? |title = Storms & Outages |last = Technical staff |date = 2015 |publisher = Duke Energy |access-date = December 6, 2016 |quote = Both snow and ice cause power outages primarily by weighing down tree limbs and power lines, causing them to break |url-status=dead |archive-url = https://web.archive.org/web/20161220104742/https://www.progress-energy.com/carolinas/home/safety-information/storm-safety-tips/outages.page |archive-date = December 20, 2016 |df = mdy-all }}</ref> Elsewhere, snow can accrete on power lines as "sleeves" of rime ice. Engineers design for such loads, which are measured in kg/m (lb/ft) and power companies have forecasting systems that anticipate types of weather that may cause such accretions. Rime ice may be removed manually or by creating a sufficient short circuit in the affected segment of power lines to melt the accretions.<ref>{{Citation | last = Farzaneh | first = Masoud | title = Atmospheric Icing of Power Networks | publisher = Springer Science & Business Media | year = 2008 | page = 141 | url = https://books.google.com/books?id=Ufg-AAAAQBAJ&pg=PA141 | isbn = 9781402085314 }}</ref><ref>{{Citation |last1 = Bonelli |first1 = P. |last2 = Lacavalla |first2 = M. |display-authors = etal <!--P. Marcacci, G. Mariani, and G. Stella--> |title = Wet snow hazard for power lines: a forecast and alert system applied in Italy |journal = Natural Hazards and Earth System Sciences |volume = 11 |issue = 9 |year = 2011 |pages = 2419β2431 |doi = 10.5194/nhess-11-2419-2011 |bibcode = 2011NHESS..11.2419B |s2cid = 15569449 |df = mdy-all |doi-access= free }}</ref>
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