Safety disclaimer: Our service is limited to software and communication infrastucture provisioning oriented to 'do it yourself' applications. We are not Responsible for user safety and safety of others in any endeavor in which they are engaged. Users are Responsible for verifying projects accuracy and applicability. Users are Responsible for knowing their own limitations of knowledge and experience. If users do any work with "mains power" such as 120 or 240 VAC power wiring, they should consult a Licensed Electrician. Some illustrative photos do not depict safety precautions or equipment, in order to show the project steps more clearly. These projects are not intended for use by children. Use of these instructions, kits, projects and suggestions is at your own risk. We disclaim all responsibility for any resulting damage, injury, or expense. It is responsibility of users to make sure that their activities comply with applicable laws.