Editing Trolley pole (section)

=== Compatibility with pantographs ===
{{See also|Toronto streetcar system#Electrical pickup}}
[[File:Overhead_frog_for_pantograph_&_trolley_pole.jpg|right|thumb|Overhead over a [[Trolleybus#Wire switches|switch]] in Toronto: Two runners for pantographs flank the trolley pole frog.]]
Trams or [[light rail]] cars equipped with pantographs normally cannot operate on lines with overhead wiring designed for trolley-pole collection. For this reason, these systems and a few others worldwide retain use of trolley poles, even on new streetcars, in order to avoid the difficulty and expense of modifying long stretches of existing overhead wires to accept pantographs.

However, the [[Toronto Transit Commission]], with the impending replacement of its legacy [[CLRV]] and [[ALRV]] with new [[Flexity Outlook (Toronto streetcar)|Flexity Outlook]] cars, converted its overhead power supply to be compatible with both trolley poles and pantographs on an interim basis, as the CLRVs and ALRVs use only trolley poles while the Flexity fleet is equipped for both trolley poles and pantographs.<ref name="SteveMunro-2017-09-12">{{cite web | url =https://stevemunro.ca/2017/09/12/pantographs-up-on-harbourfront/ | title=Pantographs Up On Harbourfront |publisher=[[Steve Munro]] |first=Steve |last=Munro | date=September 12, 2017 | access-date=October 2, 2017 }}</ref>

Large portions of San Francisco's [[Muni Metro|surface network]] are also set up to handle both trolley pole and pantograph operation in order to allow for compatibility both with Muni's [[San Francisco Municipal Railway fleet#Light rail vehicle fleet|current fleet of light rail vehicles]] (pantograph only), as well as Muni's [[San Francisco Municipal Railway fleet#Historic streetcar fleet|historic streetcar fleet]] (trolley pole only).