Conduit Hole Knockouts for 5/16 in. Knockouts for 3/8 in. 15 in. AUG 10, 2005 WELCOME 3-1/16 in. 9 in. 1-5/8 in. 1-15/16 in. 12 in. 2 in. 7 in. 9-1/2 in. 6 in. 3-1/16 in. 1-1/2 in. 1/2 in. 6 in. 3-15/16 in. 3-1/16 in. 10-1/4 in. 3-1/16 in. 5-1/8 in. Mounting Holes (4) for 5/16 in. 1-1/16 in. Conduit Hole 3 in. Page 2 Dimensions Dimensions Caution! A Static Discharge can Damage Circuit Boards EL2000 Units EL25 Units Bracket Keypad Main Circuit Board Main Circuit Board Connections J200 - Speaker J