Tenaga Nasional Berhad

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1.0 GENERAL REQUIREMENTS 1.1 All the necessary meters for measuring the consumption of electricity shall be provided and maintained by TNB. TNB shall determine the point at which every supply line shall terminate in any premises in view of ease of accessibility to TNB’s personnel. 1.2 At any point in the premises at which supply line or lines terminate, the developer/consumer shall provide the meter board or meter panel or meter cubicle as required for the installation of meter and their accessories. TNB may change any meter or its position in any premises as deemed necessary at any time for purposes of maintenance and meter reading. 1.3 For low voltage supply requiring CT metering, TNB shall provide low voltage CTs for the meter installation. The CTs shall be of the single ratio and single purpose type. 1.4 For medium and high voltage consumers, where the CTs are incorporated in switchgear panels, the consumer shall provide the metering CTs and PTs according to TNB’s specifications. The manufacturer’s test certificates for the metering CTs and PTs shall be the submitted and approved by TNB before the metering installation. The metering CTs shall be subjected to testing by TNB and a floor mounted metering cubicle must be provided. 1.5 The Electrical Consultant/Registered Electrical Contractor should ensure that he has clearly understood the metering requirements of TNB as detailed below. Should there be any doubt, he should consult the TNB Distribution Division Local Office. 1.6 The metering guidelines are subjected to change from time to time. 2.0 SINGLE PHASE METERING 2.1 Voltage And Current Rating The voltage supply shall be 240V. The normal current rating of the electronic meter shall be 10A- 100A. The consumer/developer is advised to consult TNB Distribution Division Local Office for any enquiries. 2.2 Location of Meter Position i. The meter board which accommodates TNB’s service cutout, meters and other auxiliary equipment shall, as far as is practical, be located near the termination of the service line and facing the main entrance of the premises. TENAGA NASIONAL B E R H A D 51
ii. iii. iv. Where it is necessary to terminate the service line in a position outside the premise and exposed to the weather, prior approval shall be obtained for such a location from TNB Distribution Division Local Office. For domestic consumers, the meter shall be located at the premises and it is recommended that the meter shall be placed at the gate post. Other than domestic consumers, the meter that is located outside the premises shall be in a weather proof and ventilated panel/area which is suitable for meter installation and meter reading. v. Group metering for multi tenanted consumers or open commercial outlets shall be addressed in Section 4.0 vi. vii. The installation of the meter board in kitchens, bedrooms, bathrooms, utility rooms and in location injurious to the metering equipment or to the safety of personnel shall not be permitted, e.g. above a cooker point, hot rooms, below the opening for rising mains, directly in a riser duct, over a trunking or stairways, etc. Meter and their accessories should be installed only in clean and dry location not exposed to the weather or mechanical injury, free from vibration and not expose to direct sunlight and rain.viii. 2.3 Height Of Meter Position i. The height of the meter board in the consumer’s premise at the wall facing the main entrance shall be 1.75m (top of the meter) above ground level. ii. iii. The height of the meter board at the gate post shall be between minimum 1.0m and 1.5m above ground level. For other cases, the height of meter position shall be at maximum of 1.75m (top of the meter). 2.4 Meter Board i. The meter board shall be: • Any hard wood chemically treated against attack by termites (Plywood is NOT to be used). • Any new material shall be subjected to SIRIM’s approval for non-hygroscopic, non-ignitable, ultra violet stabilized and distortion free under high outdoor temperature as well as subject to TNB’s prior approval. • Meter board other than wood shall be transparent. 52 TENAGA NASIONAL B E R H A D
Page 2 and 3: Vision To be among the leading c
Page 4 and 5: CONTENTS SUPPLY APPLICATION 1.0 Ten
Page 6 and 7: 1.0 TENAGA NASIONAL BERHAD ELECTRIC
Page 8 and 9: e) Elektrik Bestari TNB provides el
Page 10 and 11: 1.10 Types Of Supply Application Al
Page 12 and 13: 1.18 Tariff Please refer to the Tar
Page 14 and 15: 2.4 TNB Supply Lead Time The flowch
Page 16 and 17: Stage Description 2 TNB Register Ap
Page 18 and 19: Steps Action Reference 2 After appr
Page 20 and 21: Steps 7 8 Action Advise applicant t
Page 22 and 23: CONTENTS Page 1.0 PLANNING FOR C
Page 24 and 25: 1.1.1.1 Technical Requirements For
Page 26 and 27: Should a preliminary examination of
Page 28 and 29: • Capacitance connected in parall
Page 30 and 31: SECTION 2.0 PLANNING AND DESIGN CRI
Page 32 and 33: For the purpose of this guideline,
Page 34 and 35: Table 2.3.4.1: Voltage limits on sw
Page 36 and 37: 2.3.5.6 If under the operating cond
Page 38 and 39: Table X: Planning Levels for Harmon
Page 40 and 41: 3) At the terminals of a Customer
Page 42 and 43: 2.5.3 Protection System Evaluation
Page 44 and 45: 3.2 Group Diversity Group diversity
Page 46 and 47: - 132/33kV, 2 x 90 MVA - 132/22kV,
Page 48 and 49: The establishment of transmission m
Page 50 and 51: CONTENTS Page ABBREVIATIONS .......
Page 54 and 55: ii. iii. iv. The tickness of board
Page 56 and 57: 4.0 GROUP METERING FOR WHOLE CURREN
Page 58 and 59: v. The panel cover and metal plate
Page 60 and 61: 6.2 Specifications For Metering PTs
Page 62 and 63: 6.7.2 Outdoor Breakers A ‘marshal
Page 64 and 65: GLOSSARY AND DEFINITIONS In this gu
Page 66 and 67: Embedded Generating Unit A generati
Page 68 and 69: Protection Protection Apparatus Pro
Page 70 and 71: Appendix Topic Page 1 List of Kedai
Page 72 and 73: Appendix 1 List of Kedai Tenaga in
Page 74 and 75: Appendix 1 List of Kedai Tenaga in
Page 76 and 77: Appendix 3 PERMOHONAN BEKALAN ELEKT
Page 78 and 79: Appendix 5 TENAGA NASIONAL B E R H
Page 80 and 81: Appendix 7 PART B : TNB SUPPLY APPL
Page 82 and 83: Appendix 9 JOINT MEETING ACTION LOG
Page 84 and 85: Appendix 11 SAMPLE OF APPOINTMENT L
Page 86 and 87: Appendix 12 Load Category Total lig
Page 88 and 89: Appendix 13 LOCATION PLAN TENAGA NA
Page 90 and 91: Aku Janji dan Tanggungrugi *Pemilik
Page 92 and 93: Appendix 16 Demand forecast and sub
Page 94 and 95: Appendix 17 SUBSTATION LAYOUT DRAWI
Page 96 and 97: Appendix 18 SITE PLAN / LOCATION PL
Page 98 and 99: Appendix 18 LOGO DETAIL FOR DOUBLE
Page 100 and 101: Appendix 19 (Drawing 7B) MV/HV, 1 O
Page 102 and 103:
Appendix 19 (Drawing 7D) 3 FEEDER M
Page 104 and 105:
Appendix 19 (Drawing 7F) MV/HV, 3 F
Page 106 and 107:
Appendix 19 (Drawing 7H) 1, 2, 3 OR
Page 108 and 109:
Appendix 19 (Drawing 7J) 1, 2, 3 OR
Page 110 and 111:
Appendix 20 TENAGA NASIONAL B E R H
Page 112 and 113:
Appendix 22 DRAWING NO 2A : SINGLE
Page 114 and 115:
Appendix 23 DRAWING NO 3A : OUTDOOR
Page 116 and 117:
Appendix 25 DRAWING NO 4A : 3 PHASE
Page 118 and 119:
Appendix 25 DRAWING NO 4C : 3 PHASE
Page 120 and 121:
Appendix 26 DRAWING NO. 4E TENAGA N
Page 122 and 123:
Appendix 27 DRAWING NO 5A : SINGLE
Page 124 and 125:
Appendix 27 DRAWING NO 5C : SINGLE
Page 126 and 127:
Appendix 28 DRAWING NO 5E: 3 PHASE
Page 128 and 129:
Appendix 29 TENAGA NASIONAL B E R H
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Tenaga Nasional Berhad

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