Electrical disconnect boxes simplify wiring with aligned terminals and feature an integrated surge protector to help safeguard HVAC equipment from voltage spikes and power surges. They also include a replaceable pull-out handle for quick, easy replacement without the need to replace the entire disconnect. Constructed from rust- and corrosion- resistant steel, they are built for dependable outdoor performance. Top Open with Surge Protector. Designed for reliability, they provide enhanced protection while maintaining convenient overhead access to terminals.