\begin{tikzpicture}[scale=2.54] % dpic version 2020.03.01 option -g for TikZ and PGF 1.01 \ifx\dpiclw\undefined\newdimen\dpiclw\fi \global\def\dpicdraw{\draw[line width=\dpiclw]} \global\def\dpicstop{;} \dpiclw=0.8bp \dpiclw=0.8bp \dpicdraw (0.291667,-0.227083) --(0.291667,-0.102083) --(0.166667,-0.102083) --(0.166667,-0.352083) --(0.291667,-0.352083) --(0.291667,-0.227083)\dpicstop \dpicdraw (0.166667,-0.227083) --(0,-0.227083)\dpicstop \dpicdraw (0.291667,-0.227083) --(0.458333,-0.227083)\dpicstop \dpicdraw[fill=white](0.108333,0.185417) circle (0.007874in)\dpicstop \dpicdraw (0.128333,0.185417) --(0.358333,0.185417)\dpicstop \filldraw[line width=0bp](0.275,0.26875) --(0.316667,0.185417) --(0.358333,0.26875) --cycle\dpicstop \dpicdraw (0.316667,0.197839) --(0.316667,0.310417) --(0.416667,0.310417)\dpicstop \filldraw[line width=0bp](0.358333,0.039583) --(0.316667,0.122917) --(0.275,0.039583) --cycle\dpicstop \dpicdraw (0.316667,0.110494) --(0.316667,-0.002083) --(0.416667,-0.002083)\dpicstop \draw (0,-0.227083) node[left=-2bp]{\sl V1}; 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\draw (2.616667,-0.002083) node[right=-2bp]{\sl O1}; \draw (2.288333,0.185417) node[left=-2bp]{\sl P1}; \draw (2.616667,0.310417) node[right=-2bp]{\sl O2}; \draw (2.429167,-0.552083) node{\tt (2,O)}; \dpicdraw (3.591667,-0.227083) --(3.591667,-0.102083) --(3.466667,-0.102083) --(3.466667,-0.352083) --(3.591667,-0.352083) --(3.591667,-0.227083)\dpicstop \dpicdraw (3.466667,-0.164583) --(3.3,-0.164583)\dpicstop \dpicdraw (3.466667,-0.289583) --(3.3,-0.289583)\dpicstop \dpicdraw[fill=white](3.408333,0.105972) circle (0.007874in)\dpicstop \dpicdraw[fill=white](3.616667,0.214028) circle (0.007874in)\dpicstop \dpicdraw[fill=white](3.616667,-0.002083) circle (0.007874in)\dpicstop \dpicdraw (3.428333,0.105972) --(3.658333,0.105972)\dpicstop \dpicdraw[fill=white](3.408333,0.447083) circle (0.007874in)\dpicstop \dpicdraw[fill=white](3.616667,0.555139) circle (0.007874in)\dpicstop \dpicdraw[fill=white](3.616667,0.339028) circle (0.007874in)\dpicstop \dpicdraw (3.428333,0.447083) --(3.658333,0.447083)\dpicstop \dpicdraw[dash pattern=on 0.05in off 0.05in](3.543333,0.055972) --(3.543333,0.497083)\dpicstop \draw (3.3,-0.164583) node[left=-2bp]{\sl V1}; 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\draw (4.858333,0.664583) node[right=-2bp]{\sl V2}; \draw (4.488333,0.252083) node[left=-2bp]{\sl P1}; \draw (4.816667,0.439583) node[right=-2bp]{\sl O1}; \draw (4.816667,0.127083) node[right=-2bp]{\sl C1}; \draw (4.488333,-0.185417) node[left=-2bp]{\sl P2}; \draw (4.816667,0.002083) node[right=-2bp]{\sl O2}; \draw (4.816667,-0.310417) node[right=-2bp]{\sl C2}; \draw (4.629167,-0.552083) node{\tt relay(2,R)}; \end{tikzpicture} \vspace*{-0.5\baselineskip}