The meaning of the Acronym NRRl is...

NRRl is

• Noise Reduction Rating for the Lower-rated protector

More Meanings For NRRl:

• Norwegian Radio Relay League
• NeuroRehabilitation Research Laboratory
• Noise Reduction Rating for the Lower-rated protector
• New River Regional Landfill

NRRl is also in:

• Amateur Radio
• Laboratory
• Products
• State and Local