Reddit reviews OAONAN GFCI Replacement Plug Assembly 2-Prongs with Ground Fault Circuit Interrupter Safety RCD Protection for Pool Pump,Power Pressure Washer,Air Conditioner,Hair Dryer and so on (15Amp 2-wires)
We found 3 Reddit comments about OAONAN GFCI Replacement Plug Assembly 2-Prongs with Ground Fault Circuit Interrupter Safety RCD Protection for Pool Pump,Power Pressure Washer,Air Conditioner,Hair Dryer and so on (15Amp 2-wires). Here are the top ones, ranked by their Reddit score.
【Easy to Install】Ground fault circuit interrupter with surge protection【Safety Leakproof】Replacing your general plug of power tool with this GFCI Plug, to protect you from electric shock【Durable】ETL listed,rugged design and construction, built to withstand heavy use【Clear Instructions】Power indicator lamp goes OFF if GFCI trips, power is interrupted or GFCI is unplugged【Widely Use】Replacement GFCI plug unit for washing machine, air conditioner,hair Dryer,other electrical appliances
The bay area is reputed to have steel conduit or metal-clad cable for much historic multifamily housing stock, but I'm sure you can find non-updated 1910 - 1930s stuff with knob and tube if you are unlucky. In some cases the conduit is an effective ground, but I'd be inclined to use GFCI anyway on pre-mid-60's housing.
With an pigtail tester you can check if a 2-prong receptacle is in a grounded box. If it is, then using a correctly installed cheater plug is effectively the same as using a 3-prong outlet installed in that spot and grounded to the box.
When I was in an apartment with 2-prong outlets, outlet boxes that were not connected to ground, and a landlord unwilling to have GFCI outlets swapped in, my strategy was to buy a bunch of cheap "single-mode" surge-strips (the sort that provide "line to neutral" protection only); chop off the plugs, and replace the plugs with 2-prong ALCI plugs
This way I had right-angle plugs that were secure in the old 2-prong outlets, GFCI-protected 3-prong outlets to plug 3-prong plugs into, and Type 3 surge diverters appropriate for circuits with only hot and neutral.
Ok that is understandable.
By its listing you cannot use the one mentioned as it was not indented for the flexible cord you have (used for 16/3, 14/3, or 12/3 SJTW cable).
Tower used to sell this 2 prong version which seems to be discontinued but you might be able to find if you call a local electrical store. Otherwise, you should be better off using this or this made for two wire equipment.
OAONAN GFCI Replacement Plug Assembly 2-Prongs with Ground Fault Circuit Interrupter Safety RCD Protection for Pool Pump,Power Pressure Washer,Air Conditioner,Hair Dryer and so on (15Amp 2-wires) https://www.amazon.com/dp/B073PRH8H3/ref=cm_sw_r_cp_api_i_R3FYCbGRQ5Y8V