Cuba is an island country in the Caribbean consisting of the main island of Cuba, the Isla de la Juventud, and several archipelagos. Its nearest neighbors are the United States, Bahamas, Mexico, Cayman Islands, Jamaica, Haiti, and the Dominican Republic.
Alternatively referred to as a distribution board, a panel board is an element of a system used to supply electricity. Its primary function is to divide an electrical feed into supplementary circuits while providing a shielding or protective fuse for each circuit in an enclosed space.
Standards and Ratings. NF circuit breaker panelboards are for use on ac systems. They are. ULÂ® Listed under File E33139 and marked cULus. NF circuit breaker. panelboards accept EDB, EGB, and EJB branch circuit breakers. Standards. NF circuit breaker panelboards are designed, manufactured, and tested to. comply with the following standards: â¢ UL 67âStandard for Panelboards.