Class 450 EMUs, like all new third-rail trains built since privatisation have recesses in the roof of one coach to allow fitting of a pantograph and future conversion to OHLE operation. Although I am not aware of any plans to do this, the HSE are noted for being very much less than keen on ground level power supply. 
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Photo by <a href="mailto:cmckenna@sucs.org?subject=rail-photo at railfaneurope.net">Chris McKenna</a> 4/06/2006.<br>
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