(November 30, 2015, 12:46 PM EST) -- GREEN BAY, Wis. — Because issues of material fact exist regarding whether an insured was negligent when it installed a barrel heater, a Wisconsin federal judge on Nov. 24 denied the defendant insurer’s motion for summary judgment (Regent Insurance Co., et al. v. The Cincinnati Insurance Co., et al., No. 14-1434, E.D. Wis.; 2015 U.S. Dist. LEXIS 158718)....