Washington Contractor Electrical Work Permit Application is a document used by contractors to obtain permission from the state of Washington to perform electrical work. This permit is required for any electrical work that involves the installation, alteration, or repair of any electrical wiring, components, appliances, or other electrical equipment. It is also required for any work performed on existing electrical systems. Washington Contractor Electrical Work Permit Application is divided into two types: temporary and permanent. A Temporary Permit is issued for a specific job or project and is valid for up to six months. A Permanent Permit is issued for a specific job or project and is valid for up to two years. Both types of permits require the contractor to provide proof of insurance, a detailed plan for the project, a copy of the NEC (National Electrical Code), and all necessary permits and paperwork.