A: This wrench has an OD limit of 6 inches for nuts it can unscrew. So long as your outlet show arm is under 6in. in OD this unit should work for it.
A: This depends on the thickness of the caps, they must be thick enough for the rubber strap to grip properly and get leverage.
A: If the caps are accessible to tools cinch straps. The tool should work. It is a try and works or it does not work.
A: Copy and Paste to your web browser the link below to the Home Depot online site details for the General Tool Rubber Strap Wrench. It shows a reference about the California Prop 65 WARNING: This product can expose you to chemicals including di2-ethylhexylphthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. : https://www.homedepot.com/p/General-Tools-6-in-Rubber-Strap-Wrench-1566/309676287?mtc=Shopping-B-F_Brand-G-Multi-NA-Multi-NA-Feed-PLA-NA-NA-Catchall_PLA&cm_mmc=Shopping-B-F_Brand-G-Multi-NA-Multi-NA-Feed-PLA-NA-NA-Catchall_PLA-71700000014585962-58700001236285396-92700010802552412&gclid=CjwKCAiA6bvwBRBbEiwAUER6Jd_7E89lNQCAZDgpINszdKcAj9r-AJCxJqZXX5SdAxQ0WqPCRL8AgxoC97kQAvD_BwE&gclsrc=aw.ds
|Brand||General Tools||Alltrade||GEARWRENCH||Klein Tools|
|Name||6 in. Rubber Strap Wrench||Grips Opens Turns Strap Wrench Set (2-Piece)||3-3/4 in. x 4-1/2 in. Heavy Duty Oil Filter Wrench||1-1/2 in. to 5 in. Grip-It Strap Wrench with 6 in. Handle|
|View Product||View Product||View Product||View Product|