Letters from Environmental Building News
January 1, 2007

Support for Photoluminescent Exit Signs

With thousands of safe and economical photoluminescent (PL) exit sign installations in buildings throughout North America, we at Active Safety initially wanted to tar and feather Alex Wilson for the inaccuracies and misconceptions in his feature article “The Evolution of Exit Signs (and Why the Latest is a Bad Idea),” Vol. 15, No. 11. But after fielding scores of phone calls from A&Es [architects and engineers] for the past few weeks, it is clear that the misperceptions contained in the EBN article are shared by numerous A&Es.
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