How do I choose the correct electromagnetic lock and what obstacles should I expect to incur when working with electromagnetic locks? There are a variety of different Electromagnetic locks in the market to choose from. The technician should start by surveying the door to find the door swing, material that the door is made of, door weight and lock placement. Other items that will need to be addressed are forms of egress and power. Each state has different laws and codes. You are responsible to know this information prior to quoting and installing Electromagnetic locks.   Do you have a question, or need a quote? Contact your local IDN Branch, or ask the Electronic Access Ace through our website. © Copyright IDN, Inc.