Panel Lockout six inch extension
Use the Panel Lockout six inch extension with the Panel Lockout for panels that are wider than 20 inches. When using clips for panels without screws, use the six inch extension when the panel is wider than 18 inches, because the clips extend one inch on each side of the panel.
The Panel Lockout is a circuit breaker lockout tagout device that locks out the entire electrical panel. Circuit breakers remain locked off for electrician safety or locked on to prevent unauthorized shutdowns of critical equipment.