Correct option is C
· A Britannia Tee joint is a type of electrical joint used to connect three conductors together, typically where a branch line needs to be taken off a main line. This joint provides a mechanically secure and electrically conductive connection.
· Britannia Tee joints are commonly used in overhead lines, where conductors need to be joined in a strong and reliable manner to withstand the mechanical stresses and environmental conditions encountered in outdoor installations.
