Misusing the ‘PK’ Housing

We’re going to tackle misapplication of one of our industry’s most common sign components — the metal electrode receptacle.

Over the years, we’ve heard sign folk state, "I hate using that component because it’s nothing but trouble." We’ve witnessed these products used in ways that would test even Gene Roddenberry’s imagination. Hopefully, we can reduce your installation-related return service calls by sharing some tips.

Metal electrode receptacles

By habit, most of us refer to metal electrode receptacles by a proprietary name,"PK," for inventor Constantine Peterson. Referenced in NEC