It is always recommended to point installers to the industry installation manuals which are very comprehensive and are ANSI documentsClick here to get the updated link to the Steelcraft Shop M...
The link to the specific sheet can be found by clicking here: http://us.allegion.com/content/dam/allegion-us-2/web-documents-2/InstallInstructions/Von_Duprin_PS914_Power_Supply_Installation_I...