The appeals are from a single interlocutory judgment of the Supreme Court, Nassau County, entered June 29, 1972, which determined the issues of liability after trial of these three actions on that issue only. Actions Nos. 1 and 3 were consolidated and tried jointly with Action No. 2. The actions' were to recover for property damages sustained as a result of a fire. The interlocutory judgment was entered upon (1) a special verdict of a jury as to Action No. 1 and (2) the trial court’s decision on the cross claims in that action and on all questions in Actions Nos. 2 and 3. Two of the defendants in all the actions, Westinghouse Electrical Supply Co. and Zinsco Electrical Products Co., appeal, as limited by their separate briefs,
