Abstract: According to the invention, there is provided a protector strip (10) for an edge zone of an electrode plate (40), said protector strip (10) including a first channel shaped member (11) of relatively resilient material adapted, in use, to engage over the edge zone of the electrode plate, and a second channel shaped member (12) of relatively more rigid material separate to said first channel shaped member (11) adapted, in use, to engage over the first channel shaped member (11) to press at least a portion of said first channel shaped member (11) into sealing engagement with the edge zone of the electrode plate (40).