construction notes: 1. the final grade at the pad position shall be compact and . 0000013075 00000 n 0.9 Meter (3 Ft) Clearance When Facing Other Electrical Panels <480V. 0000037567 00000 n /Contents 190 0 R ?Cv&fs>1g0H2:+ Og09!B:_=1V8~P-z qwv%4rh=~zT:!Ur).$~0K l&Q,],o@A'q'[^ =nuZ6Ua 0000016589 00000 n Unit Substation Style Transformers require a minimum of 12 inches around the ventilation openings, and local codes may exceed that. positioning of transformer should be at least 1 ft. higher than pad mount transformer. 0000050051 00000 n 0000005554 00000 n 0000050700 00000 n 0000003868 00000 n /Height 1232 0000008013 00000 n All underground substructures and conduits placed in known methane gas areas (as identified by the Department of Building and Safety or the developer), shall also satisfy the requirements of the Department's Standard Drawing(s) H-242 and 1-802.2, latest revisions. Open conductors must be attached to fittings identified . Login. If you need access, please contact your procurement agent or Edison Representative. 0000091727 00000 n Not sure, but there also may be differences in sealed, enclosed, and/or non-vented . Revised Cal. SCE has published landscaping guidelines with proper clearance requirements which is available in the Aboveground Equipment . 0000020941 00000 n 0000014838 00000 n hXr}W#LeeghyCrl`p/^"!*$1==O_b^fVj3#KxXy~xQn]}'[E,DD^].7?|yJ,]/3EW+[?Wf qtp05;v~d~|xk"OO,({Lg~E36;$RW[^\Hdqs~ NDfJ!yaY~Nv 0000046047 00000 n Entities seeking to install their antenna(s) onto SCE poles shall comply with SCE standards and General Order (G.O.) i,q{]D7IvSGdiyJv}CgNj;*0~O>` M1Y Get monthly updates from Schneider Electric delivered right to your inbox. n|z)Y1Ue>7M;+cW"aEB[bVAu6h ,2L*mteyroa?\UIIN4CH\qnfW'u)XkpQ> O9%epc+mLzl&hk'DqXiuZk5Y'O+(0Xi3?jFF^Z)%yH+4,\ex]lY,q." Nn%jZ/wsdq0W"M0L8/BZVAXVNMq}_AgQ$-N:+# 0000106954 00000 n The clearance may be reduced to 1 foot if the height of the wall does not exceed 2 feet and if the wall thickness does not exceed 1 foot (i.e., planter box). << trailer 0000008148 00000 n 0000045845 00000 n I have not seen the working space requirements in the NEC applied to transformers. I'd like to receive news and commercial info from Schneider Electric and its affiliates via electronic communication means such as email, and I agree to the collection of information on the opening and clicks on these emails (using invisible pixels in the images), to measure performance of our communications and improve them. %PDF-1.6 % 10. Minimum height requirements for service drop cables are determined by the local building or electrical codes, but most follow the recommendations of the National Electrical Code (NEC). duplex transformers set on a single pad are an exception d. a minimum 72-inch x 72-inch x 72-inch clear working space /Size 210 0000002736 00000 n 209 0 obj ]]> 0000091825 00000 n 0000051703 00000 n The depth of the working space in the direction of live parts shall not be less than that specified in table 110.26 (A) (1) unless the requirements of 110.26 (A) (1) (a), (A) (1) (b), or (A) (1) (c) are met. document.getElementById('copyright').innerHTML = new Date().getFullYear(); 0000010447 00000 n 0000050877 00000 n 0000008958 00000 n (if 25 kVA or larger), and clearances from ventilating openings. This article will define some of the requirements for clearances around a transformer, as well requirements for protecting a transformer from vehicular traffic. 0000016405 00000 n In general, any electrical panel that has 0 to 150 volts going through it needs to have at least 36'' of clearance around it. 0000003832 00000 n F_^QYU]S[Wol|WCa *vD\6$jc Medium Voltage Distribution and Grid Automation, Product Documentation and Software Downloads, Panelboards / Switchboards and Switchgear, Controllers, Expansion Modules, Servers & HMIs, Power Metering and Energy Monitoring Systems, Power Quality and Power Factor Correction, Integrated Power and Control Solutions (IPaCS) Equipment, Low Voltage/Medium Voltage Prefab Substations, Pushbuttons, Switches, Pilot Lights, Control Stations and Joysticks, Data Center Security and Environmental Monitoring, Service Plans for Electrical Distribution. 0000050228 00000 n 0.9 Meter (3 Ft) The width of the workingspace in front of the Panel. 0000094672 00000 n Southern California Edison, Disclosure of Non-Public Transmission Function Information, SCE Affiliates that Employ or Retain Marketing Function Employees, Job Titles and Description of SCE's Transmission Function Employees, Voluntary Consent to Share Non-Public Transmission Customer Information, Discretion Exercised Under Terms of Tariff, Discounts Offered For Transmission Service, Santa Catalina Island Gas & Water Tariffs, Santa Catalina Island Gas & Water Filed Forms, Notice of Release of Customer Information to Affiliates, Supply / Capacity / Services / Info Offered to Affiliates, Non-Customer Specific, Non-Public Information Offered to Affiliates, Annual Low Income Energy Efficiency Reports, 2009-11 Local Government Partnership Abstract Responses, Transmission Maintenance and Compliance Review (TMCR), Methodology of Creating the Static Load Profiles, SCE Offers Fixed-Price Amendment to Renewable Projects, AGE Initiative Frequently Asked Questions (PDF), Aboveground Equipment Aesthetics Improvement Manual (AIM PDF), Landscaping Around Residential Pad-mounted Transformers (PDF), Landscaping Around Commercial Pad-mounted Transformers (PDF), Applicant Distribution Design Standards Application (PDF), Non-SCE Antennas Placed on SCE Poles Manual (PDF), Non-SCE Communications Facilities Placed on SCE Poles Manual, California Temporary Traffic Control Handbook (CATTCH PDF). Jul 25, 2003. <> 0000105967 00000 n When the transformer has high-side connections . 0000050110 00000 n 0000103527 00000 n The clearance requirement is clearly marked on the nameplate of the Transformer. Transformers produce heat in operation, so must have clearance to obstructions Resolution: Older, non-EE Ventilated dry type Transformers must be installed so that a minimum of 6 inches clearance is available between a ventilation opening and any wall or other obstructions. 0000051880 00000 n endobj x][u]_IOoLD}+P(R}J )(Dk_Hq~oz{X/?~o?`Fe\wO77Ozy~koA-r? Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework. Enjoy! Reach out to our customer care team to receive more information, technical support, assistance with complaints and more. Often for aesthetic reasons the transformers are located remote from the building, but due to costs associated with the secondary conductors, a transformer may be mounted close to a building. The conductors are within 5 m (16.4 ft) from the pool and the clearance from the wires to the edge of the pool is less than 5 m (16.4 ft). 0000009500 00000 n 0000105671 00000 n Note 3 Fire Hydrant See Note 7 Curb Sidewalk No substructures or meter boxes in front of 4' Enjoy! >> /ID [<8f5ae9e413ad3b855d54299270c1bb52><8f5ae9e413ad3b855d54299270c1bb52>] /Filter/FlateDecode/ID[<7F6D7977FBC6B5A0F7706E26A3702BF1><34AF2EBB594E0547B75CA8BBCD52949E>]/Index[65 21]/Info 64 0 R/Length 59/Prev 48507/Root 66 0 R/Size 86/Type/XRef/W[1 2 1]>>stream 2400 and 4160 are at low end of medium voltages. Please enter a valid email address, Problem with captcha verification, please check your connection. for the antenna is greater than 3 feet than the radial clearance must be increased. 0000050641 00000 n On site inspection: The Department . %PDF-1.6 Medium Voltage Distribution and Grid Automation, Product Documentation and Software Downloads, Panelboards / Switchboards and Switchgear, Controllers, Expansion Modules, Servers & HMIs, Power Metering and Energy Monitoring Systems, Power Quality and Power Factor Correction, Integrated Power and Control Solutions (IPaCS) Equipment, Low Voltage/Medium Voltage Prefab Substations, Pushbuttons, Switches, Pilot Lights, Control Stations and Joysticks, Data Center Security and Environmental Monitoring, Service Plans for Electrical Distribution. Multiconductor cables used for service drops must be attached to structures by fittings identified for use with service conductors [230.27]. /L 1000930 0000106656 00000 n What is the minimum clearance requirement for EX transformers? A. [CDATA[// >