Self-contained meter socket with bypass mechanism Load side terminations; tunnel-type connectors, dual-rated for 1 x 500 kcmil or 2 x 250 kcmil Neutral load side terminations, tunnel-type connectors, dual-rated 2 x 250 kcmil Neutral and line side terminations, double 1/2 in studs to accommodate compression lugs for underground service (1 x 500 kcmil or 2 x 250 kcmil) Supplied with screw-type rings