TY JOUR TI INFLUENCE OF THE METHOD OF LAYING COPPER WIRING ON THE DETERMINATION OF CURRENT OVERLOAD CONDITIONS BY METALLOGRAPHIC ANALYSIS KW fire investigation KW fire and technical expertise KW electrical wires KW current overload KW metallographic analysis JO Siberian Fire and Rescue Bulletin AU Aldatov, Y.S. AU Krisanova, V.Y. AU Plotnikova, G.V. AU SHekov, A.A. PY 2021 IS 2021 PB FSBEE HE Siberian Fire and Rescue Academy EMERCOM of Russia