The overcurrent protective devices that supply the marina, boatyards, and commercial and noncommercial docking facilities are required to have ground-fault protection not exceeding:
1. 4 to 6 mA
2. 20 mA
3. 30 mA
4. 100 mA
3. 30 mA
You might also like to view...
Cuando se realizan varios codos con el mismo ángulo, debe utilizarse un(a) _____ para comprobar el primer extremo.
a. nivel b. nivel de torpedo c. plantilla para curvas d. transportador de ángulos
What does the duct calculator tell a technician about static pressure and airflow?
A) It shows the amount of static pressure loss per 100 feet of duct for a given duct size and airflow. B) It shows how much air can travel through a particular duct size at a given static pressure. C) It shows the size duct needed for a particular BTU capacity. D) It shows the amount of CFM that each different size duct can carry.
Technician A says the VIN is a 17-digit number that provides vehicle-specific information to the technician. Technician B says the anti-theft labels have the same number on them as the VIN. Who is correct?
A. Technician A only B. Technician B only C. Both Technicians A and B D. Neither Technician A nor B
The resistance of ____, such as germanium and metal oxides, decreases very rapidly as the temperature goes up.
a. semiconductors b. conductors c. multiple conductors d. nonconductors