Terminal boxes are built to last. Durable, safe, long-lasting construction. G90 galvanized steel construction for superior corrosion protection. Durable polyester powder coat finish resists chipping and fading. Padlock provision helps prevent unauthorized entry. Rated for indoor and outdoor installations (NEMA 1/3R). Factory installed terminal bars accept copper or aluminium wire. Plenty of concentric knockouts to reduce installation time. Doors feature stay-open position or remove entirely to simplify wiring. Stationary mounted terminations simplify circuit tracing.