What are the five service cables where subject to physical damage shall be protected?
What are the five service cables where subject to physical damage shall be protected?
Service-entrance cables, where subject to physical damage, shall be protected by any of the following: Rigid metal conduit (RMC) Intermediate metal conduit (IMC) Schedule 80 PVC conduit.
What are service entrance conductors?
The service-entrance conductors (blue arrow) is the service conductors located between the terminals of the service equipment (main disconnect) and a point usually outside the building, clear of building walls, where joined by tap or splice (orange arrows) to the service drop or overhead service conductors (red arrows) …
Under what conditions are service entrance conductors considered outside a building?
Conductors are considered outside a building when they are installed: (1) Under not less than 2 in. of concrete beneath a building or structure. (2) Within a building or structure in a raceway that is encased in no less than 2 in.
Can I use PVC conduit for service entrance?
The service entrance cap is designed for use with schedule 40 and schedule 80 PVC conduit. The cap is crafted with PVC and features an extended cap for a weather-resistant termination.
What is the minimum size of wire for service entrance conductors?
Based on your load, this minimum size would be 60A according to Section 230-79(d). Although you would be permitted to have conductors, a main disconnect, and an overcurrent device as small as 60A, 230-91 requires the overcurrent device to provide overload protection for the service conductors.
Does a grounding electrode conductor need to be protected?
Grounding electrode conductors and grounding electrode bonding jumpers in contact with the earth shall not be required to comply with 300.5, but shall be buried or otherwise protected if subject to physical damage.
Can you tap service entrance conductors?
Service-entrance conductors shall be permitted to be spliced or tapped in accordance with 110.14, 300.5(E), 300.13, and 300.15. Power distribution blocks, pressure connectors, and devices for splices and taps shall be listed.
Does service entrance cable have to be in conduit?
(1) Service-Entrance Cables. So, you’ll either need to have this service-entrance re-run with a conduit, or see if you can get your local electrical inspectors to sign off on using bollards (i.e. concrete-filled metal poles) to protect the meter pan and service cabling as Machavity suggests.
What is the minimum height for service wires above a walking surface?
The minimum clearance for the service drop conductors to any building or other structure is: A. 10.5 feet above finished grade, sidewalks, platforms, decks, or building projections, from which the conductors might be reached (areas subject to pedestrian traffic).
Does service entrance wire need to be in conduit?
Can I run service entrance cable in conduit?
Yes, you can run service-entrance cable (SER) in conduit, but it can’t be run underground, either in or out of conduit.
What type of wire is used for service entrance?
All service-entrance cable is rated 600V and is listed in sizes 14 AWG and larger for copper and 12 AWG and larger for aluminum or copper-clad aluminum conductors.