Eaton B-Line Ceiling Mount for Speaker, Lighting Fixture, White

Eaton B-Line Ceiling Mount for Speaker, Lighting Fixture, White Adjustable box support for suspended ceilings. Accomodates heights up to 83 /4". Integral ruler enables height adjustments without measuring. Ideal for installation of speaker cases, emergency light fixtures, etc. in suspended ceilings. Static Load Capacity: 25 Lbs. without dedicated dropwire 70 Lbs. with dedicated dropwire 35 Lbs. (Canada) with dedicated dropwire Consult factory for pre-fab box assemblies.