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Permanently mark each service disconnect to identify it as part of the service disconnecting means [ You cannot use trees as supports Service Equipment You must supply the service disconnect with a main bonding jumper [ The routing requirements of service conductors differ from those of other conductors.

Size your service-drop conductors per Article calculations. Install the service disconnect maagzine a readily accessible location outside the structure, or inside near the point of entry of the service conductors.

You do not have to provide service conductors with short-circuit or ground-fault protection, but you must provide overload protection via the feeder protection device.

Ex&m necessary equipment, usually consisting of circuit breakers or switches and fuses and their accessories, connected to the load end of service conductors to a structure or an otherwise designated areaand intended to constitute the main control and cutoff of the supply.

How can you correctly and efficiently follow service installation requirements? Register to view our materials and keep informed with our latest updates.

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Weatherheads Raceways for overhead magszine drops Route the phase conductors through separately magzzine holes in the weatherhead, and install a drip loop below the service head or below the termination of the service-entrance cable sheath. Each ungrounded service conductor requires overload protection at the point where the service conductors terminate see A service drop or lateral can supply only one set of service-entrance conductors, with three exceptions To properly apply the installation requirements for service conductors and equipment, you must first define where your service entrance starts and ends.


Entries submitted were evaluated carefully by a panel of judges comprised of experts in electrical engineering, contracting, plant facilities, and maintenance industries.

If you have an issue completing the registration process, please disable your browser’s pop-up blocker or ensure that www. The conductors from the service point to the service disconnecting means service equipment, not meter. The point of connection between the utility and the premises wiring.

Clearance is also an magazin must observe a 3-ft clearance from building openings and a ft clearance above various surfaces This separation maintains the integrity of your fault protection. Size your service-entrance conductors per Article You are limited to six disconnects for each service permitted by The AS3 can be supplied with additional options to expand control, allow greater flexibility, and provide better protection for applications.

The rating of the protection device must not exceed the ampacity of the conductors see Service Entrance Definitions Service point. Service conductors are “outside” when they are installed: With the capability to test products together as a system before sending out into the field, TIC ensures the highest magazone of quality, performance, and reliability. Javascript must be enabled to use this site’s downloads feature.


Attach overhead service-drop conductors to a point not less than 10 ft above the finished grade. Raceways for overhead service drops If we mixed service conductors with other conductors in the same raceway, a fault that occurred between the service and feeder conductors could bypass the overcurrent protection for the feeder conductors.

Service Equipment Protection You do not have to provide service conductors with short-circuit or ground-fault protection, but you must provide overload protection via the feeder protection device.

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Ungrounded service-drop conductors cannot be smaller than 8 AWG copper or 6 AWG aluminum except in limited-load installations. Remember that service conductors originate at the utility service point and terminate on ecm& line side of the service disconnecting means service equipment. The service disconnect must be capable of disconnecting all service-entrance conductors from the served premises wiring.

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