INFORMATION & REQUIREMENTS ELECTRIC SERVICE - NStar

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SKETCH 3 SKETCH 4 Minimum Vertical Service Clearance Above Ground and Buildings Service Mast Construction of Low Buildings – Single Phase FIGURE "A" NOTE #4 NOTE#2 UNACCEPTABLE NOTE#8 12' 12' SPACES ACCESSIBLE TO PEDESTRIAN ONLY 12' OVER SW. 18' OVER STREET 16' DRIVEWAYS 16' NOTE #5 18" NOTE #3 8' (includes drip loop) over highest point of roofs, balconies or railings readily accessible to pedestrians and 3' from windows, fire escapes or similar locations 3' EXTENSION OF <strong>SERVICE</strong> ADAPTER ENTRANCE CABLE BARE NEUTRAL 4" MIN. A. Galvanized steel clamp and standard bracket furnished, installed, owned and maintaine by customer Or 3'-0" MAX. B. UNGUYED Approved insulators 1'-0" MIN. } and clamps supplied with mast kit. (All furnished, installed, owned and maintained by customer) 3'-0" MAX. WEATHERHEAD 1. These clearances apply to service of 300 volts to ground or less having cabled conductor with ground neutral. 2. This distance may be reduced to 10 feet if voltage is 150 volts or less to ground and no telephone or CATV service is present. The maximum height is 25 feet and must be accessible from a ladder positioned on a secure flat surface. 3. Vertical distance may be reduced to 3.5 feet if roof or projections are not readily accessible to pedestrian traffic. 4. Service connection located above building extension as represented in Figure “A” is not acceptable because the service connection cannot be reached from a ladder placed on the ground. 5. Where the voltage between conductors does not exceed 300 volts, a reduction in clearance over the roof to not less than 18 inches shall be permitted if, (1) the conductors do not pass over more than 4 feet of the overhead portion of the roof and (2) the conductors are terminated at a through-the-roof raceway or approved support. 6. The clearances above equal or exceed the requirements of the Massachusetts Electrical Safety Code and ANSI C2. 7. Locations of all services, new and rebuilt, must be approved by NSTAR. 8. Where the voltage exceeds 300 volts to ground but is less then 600 volts to ground, the clearances shall change to 15 feet. 108 FLAT OR SLANTED ROOF MAST MADE OF 2" GALVANIZED RIGID STEEL CONDUIT MINIMUM. DO NOT USE ALUMINUM CONDUIT. TO METER SEE NOTE #5 1. Mast fastenings to building & mast guys shall be designed for 1,000 LBS minimum force applied at service cable attachment. 2. The service drop span shall not exceed 100 feet. 3. The customer must assume the responsibility for the ability of the installation to support the service drop. 4. Service structures for road crossings must be of sufficient height to maintain an 18 feet minimum road clearance. If the service drop does not cross a street, or driveway clearance may be reduced to 12 feet. 5. Clearance of 15 feet preferred, 12 feet minimum above ground. 109
SKETCH 5 SKETCH 5 (NOTES) Overhead Service Installation of Service Bolt FRAME BUILDING VENEER SIDING 5/8" x 8" MACHINE BOLT 5/8" x 12" MACHINE BOLT BOLT HEAD COUNTERSUNK AT LEAST 3" 2" BOLT HEAD COUNTERSUNK AT LEAST 3" 2" CHECK NUT CHECK NUT BLOCK FASTENED SECURELY TO STUDDING STUDDING BOARDING SHINGLES OR OTHER FINISH STANDARD NUT & WASHER SPOOL AND CLEVIS BLOCK FASTENED SECURELY TO STUDDING BOARDING STUDDING VENEER SIDING STANDARD NUT & WASHER SPOOL AND CLEVIS 1. Bolts to be furnished and installed by customer in location to be specified by the company. 2. Bolts & nuts to be hot dipped galvanized, to have machine thread & to project 2 inches beyond outer face of building, except where otherwise specified. 3. Bolt may be put through studding or other suitable timber provided the location is correct for the service connection. 4. Service attachment to be installed, not to cause service wire damage against structures and violate Massachusetts electrical safety codes/rules. TOP VIEW AT LEAST 4" STUDDING LATHS WASHER BRICK BUILDING FURRING 5/8" x 12" MACHINE BOLT STANDARD NUT & WASHER SPOOL AND CLEVIS THIS NUT TO BE SET UP TIGHT AGAINST WALL TO PREVENT BOLT BACKING UP OR TURNING 2 1/2" AT LEAST 3" 110 111
Page 1 and 2:
IMPORTANT INFORMATION FOR BUILDERS
Page 3 and 4:
NSTAR ELECTRIC DISTRICTS North Dist
Page 5 and 6: TABLE OF CONTENTS 205. Relocation o
Page 7 and 8: TABLE OF CONTENTS 712. Meter Access
Page 9 and 10: FREQUENTLY ASKED QUESTIONS FREQUENT
Page 11 and 12: ARTICLE 100-104 ARTICLE 100 GENERAL
Page 13 and 14: ARTICLE 110-111 110. Diversion of E
Page 15 and 16: CITIES AND TOWNS SERVED City/Town C
Page 17 and 18: ARTICLE 203-205 203. Availability o
Page 19 and 20: ARTICLE 303 Installations for custo
Page 21 and 22: ARTICLE 305 ARTICLE 305 (non-parall
Page 23 and 24: ARTICLE 403 ARTICLE 403 Where it is
Page 25 and 26: ARTICLE 405-406 46 B. Poles must me
Page 27 and 28: ARTICLE 413 ARTICLE 413 50 For the
Page 29 and 30: ARTICLE 415-417 UNDERGROUND SECONDA
Page 31 and 32: ARTICLE 422 ARTICLE 423 agreement.
Page 33 and 34: ARTICLE 428 terminal box to provide
Page 35 and 36: ARTICLE 432 66 For the South and Ca
Page 37 and 38: ARTICLE 507-511 ARTICLE 512 507. Un
Page 39 and 40: ARTICLE 606-607 ARTICLE 608-701 as
Page 41 and 42: ARTICLE 704 ARTICLE 705 NSTAR emplo
Page 43 and 44: ARTICLE 709-711 709. Moving or Remo
Page 45 and 46: ARTICLE 715 86 3. Three phase, 3 wi
Page 47 and 48: ARTICLE 722 722. Pad-Mount Metering
Page 49 and 50: ARTICLE 802 suitability of the prop
Page 51 and 52: ARTICLE 802 TABLE 2 Three Phase Mot
Page 53 and 54: ARTICLE 902-906 ARTICLE 907-909 902
Page 55: SKETCH 1 SKETCH 2 Standby Generator
Page 59 and 60: SKETCH 6B SKETCH 6B (NOTES) Typical
Page 61 and 62: SKETCH 9 SKETCH 10 800-1000 Ampere
Page 63 and 64: SKETCH 13 Minimum Clearances For Al
Page 65 and 66: SKETCH 17 Meter Installation for 20
Page 67 and 68: SKETCH 21 Meter Installation for 40
Page 69 and 70: SKETCH 25 Mounting Provisions and D
Page 71 and 72: APPENDIX B GENERAL LAWS APPENDIX B
Page 73 and 74: GENERAL LAWS as are suited to work
Page 75 and 76: GENERAL LAWS dollars or by imprison
Page 77 and 78: GENERAL LAWS In no event shall any
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