Lus piav qhia luv luv:

20 AMP.Tam sim no hloov pauv hloov pauv. Los ntawm kev hla: Plunger hom bypass tau kaw thaum ntsuas ntsuas raug tshem tawm. NEMA 3R hom kev tsim kho 1.2mm thickness (#18 gauge) los yog 1.5mm thickness (#16 gauge) galvanized steel ntawv (AISI G90), electrostatically thov epoxy ci hmoov hmoov tiav. Ntau qhov chaw gutter kom yooj yim xaim. Yooj yim knockouts nyob rau sab nraub qaum thiab hauv qab. Lub hub ruaj loj 1/2 "rau 2-1/2" rau kev xaiv.