Quoted from Pinkitten:

So check this out fellow gumshoes...I really like the idea of using an MRS magnetic-activated switch in place of some physical micro switches with the metal arm. At times, my 3-way ramp switches would slow down the ball or even stop it and I would then adjust the switch. I had that issue on The Shadow and at the top of my GB ramp. So I saw a post by Pinsider “Sonic,” who is offering MRS switches for $30 each. I took a chance and ordered 3, cut my green and white wires on my 3 ramp switches and soldered the MRS switches on. Check it out below! They work great. They are highly sensitive and register hits every time a ball passes by. You can mount them under the ramps or on the sides. No more metal switches to activate or touch the ball. Better flow, and registering 100% so far.
It’s just marrying of the bare wires and soldering them together. Each MRS comes with several inches of wire, one green and one white. Easy to cut and match up greens and whites. I just exposed a half inch of wire on each and twisted them together, add a tiny bit of solder and covered with heat shrink or electrical tape. The MRS has adhesive tabs under them for sticking to the ramp.
Really happy with these magnetic switches and how they improve my pin. Some may prefer the metal switches, and I do as well in most locations. Here tho, they work great!
They use MRS switches on some other pins too. On Safe Cracker for the top A-B-C rollovers. I think TZ may have some.
Contact Matt, “Sonic” here on Pinside if you are interested. He will custom make them with the length of wire you need for your application.
Enjoy!
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Quoted from allsportdvd:

I just received my new centre ramp which is fantastic!
What measures have others gone to to hide the ugly wiring for each switch that is visible?
Has anyone tried doing MRS switches instead?