<p>The present invention relates to a method of hanging a vertical side panel (26) of an electrical cabinet which method involves engaging a hook (47) of electrical cabinet with a cutout (46) of the side panel (26) and then slightly raising the side panel (26) while pushing the same inwardly towards the cabinet before lowering the side panel (26) downwardly onto the hook (41). <IMAGE>The present invention relates to a method of hanging a vertical side panel (26) of an electrical cabinet which method involves engaging a hook (47) of electrical cabinet with a cutout (46) of the side panel (26) and then slightly raising the side panel (26) while pushing the same inwardly towards the cabinet before lowering the side panel (26) downwardly onto the hook (41). <IMAGE></p>