Services, Grounding & BondingPregunta 54 de 120
Overhead service conductors must maintain what minimum clearance from a window that is designed to be opened?
a.6 feet
b.5 feet
c.10 feet
d.3 feet
Explicación
Service conductors must keep 3 feet of clearance from windows designed to open, doors, porches, balconies, stairs and similar locations. Conductors run above the top level of a window are considered out of reach and are exempt, and the other distances do not appear in this rule.
Referencia Legal: 2023 NEC §230.9(A)Practica las 120 preguntas gratis — sin registro.
Preguntas relacionadas de este tema
- What is the maximum number of service disconnecting means permitted for a single set of service-entrance conductors?
- What is the minimum service disconnecting means rating for a one-family dwelling?
- What is the minimum clearance above a residential driveway for overhead service conductors limited to 150 volts to ground?
- Ground-fault protection of equipment is required for a solidly grounded wye service with more than 150 volts to ground when the disconnect is rated at least what value?
- How must a panelboard be protected against overcurrent?
- On the load side of the service disconnecting means, what is the general rule for using the grounded neutral conductor to ground equipment enclosures?
Última revisión: · proceso editorial
Equipo Editorial de PrepPass · Verificado con Journeyman Electrician Licensing Exam (NEC-based) · Cómo revisamos