Industry standard Series 16 Cam-Type devices allow for quick connection saving, time and money while complying to code. 700.3 (F) Temporary Source of Power for Maintenance or Repair of the Alternate Source of Power:
If the emergency system relies on a single alternate source of power, which will be disabled for maintenance or repair, the emergency system shall include permanent switching means to connect a portable or temporary alternate source of power, which shall be available for the duration of the maintenance or repair. The permanent switching means to connect a portable or temporary alternate source of power shall comply with the following:
NFPA 70, National Electrical Code (NEC) Chapter 7 Special Conditions
NEC 700.3 (F) 1. Connection to the portable or temporary alternate source of power shall not require modification of the permanent system wiring. NEC 700.3 (F) 2. Transfer of power between the normal power source and the emergency power source shall be in accordance with 700.12. Quickly transfer power to the standby generator during emergency or maintenance with Two Wire Start / Stop Terminals .
Chapter 7 Special Conditions
Article 700 Emergency Systems
This article applies to the electrical safety of the installation, operation, and maintenance of emergency systems consisting of circuits and equipment intended to supply, distribute, and control electricity for illumination, power or both, to required facilities when normal electrical supply or system is interrupted.
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