Overview Flashguard Transformer 77-4040W Trigger Transformer, White H&P Hughey Phillips Obstruction Lighting Transformer, Trigger White System Custom Field Product Reviews Write a Review Write a Review × HUGHEY & PHILLIPS FlashGuard Trigger Transformer, White 77-4040W Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *