... so that it's N on one side and S on the other. You can check out the poles by using the "like poles repel, unlike poles attract" logic. Electromagnets should effectively have a "U" shaped pole piece with the ends under the rails. Jim. Last edited on 5 Nov 2019 11:43 by Jim Guthrie posted: 5 Nov 2019 12:12 from: wcampbell23 The East Kilbride Model Railway Club used the Kadee electromagnets on one of their 00 layouts and the pictures below show the installation. 54_050703_290000000.jpg The poles look a bit like like checkrails and so are not very obtrusive. A rectangular hole was made in the baseboard and then sleeper offcuts and ballast were used to bed in the poles of the electromagnet. The next picture shows the installation on the underside of the baseboard. A bracket has been used as the Kadee method of installation was not suitable for us. 54_050707_120000000.jpg Another coupling option that has not been mentioned so far is the Dingham system. These are similar to B&B in operation and are intended to ...