Zing Green Products Small Plug Lockout prevents electrical cords from being inserted into an outlet during maintenance or repair operations. The lockout is made in the USA from recycled plastic, and measures 3 1/2"L x 2 1/2"W. The universal fit closure accepts cords up to 1/2" diameter, and up to 2"W x 3"L plugs. The device accommodates 3 padlocks with shackles up to 9/16" diameter. Anti-pry tabs secure lids for maximum protection, and the tapered design can be nested. The device includes an English/Spanish bilingual instructional label, which reads, "DO NOT PLUG IN. " Zing Large Plug Lockout is UL Validated for recycled content, and supports sustainability initiatives and LEED credits.