UL 474 Standard for Dehumidifiers Updated

Dehumidifier photo

UL has released a new edition of UL 474, the standard for dehumidifiers. The 10th edition was issued to editorially remove a statement from thetransmittal page. No changes were made to the body of the standard.The new edition can be purchased on the UL website.


“These requirements cover movable, household, self-contained dehumidifiers employing hermetic refrigerant motor-compressors and intended for connection to single-phase, alternating-current (ac) circuits rated not more than 20 amperes, 125 volts or 15 amperes, 208 or 230 volts. The requirements also cover dehumidifiers which incorporate electric air heaters.”

*Description from the UL website.

Photo by jcasimir

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