GOST 50571.12-96 (IEC 364-7-703-84) UDC 696.6:006.354 Group E08 Electrical installations of buildings Part 7: Requirements for special installations Section 703 rooms containing sauna heaters Electrical installations of buildings. Part 7. Requirements for special installations or locations. Section 703. Locations containing sauna heaters ACS 27020, 29020 OKS 3402 Effective date 1/1/1997 Preface 1. Prepared and submitted to the Technical Committee for Standardization TC 337 "Electrical residential and public buildings." 2. Adopted and put into operation the Decree of the State Standard of Russia July 10, 1996 № 447. 3. This Standard contains the full authentic text of the international standard IEC 364-7-703 (1984) "Electrical installations of buildings. Part 7. Requirements for special installations. Section 703. Spaces containing heaters for saunas. 4. First introduced. Introduction This standard is included in Part 7 of the State's standards for electrical installations of buildings developed on the basis of the standards of the International Electrotechnical Commission IEC 364 "Electrical installations of buildings. Part 7 of "establishing security requirements for special facilities and set in their electrical equipment. Numbering sections and paragraphs in standard corresponds to the numbering adopted in IEC 364-7-703 (1984). Requirements of the standard complement, modify or supersede the requirements of GOST R 30331.3-95/GOST 50571.3-94 and GOST R 30331.8-95/GOST 50571.8-94, as reflected in the notation of sections and paragraphs of the standard. For example: 703.4 - marking the section of the standard that establishes requirements for safety; 703.5 - marking the section of the standard that establishes requirements for the selection and installation of electrical equipment; 703.411.1.4.3 - designation of item, which changes the requirements of GOST 30331.3-95 411.1.4.3 / GOST 50571.3-94. In addition, for electrical rooms containing heaters for saunas, must apply the requirements of other standards set 30331/GOST GOST R 50571 as it pertains to these installations or locations. 1. Scope This standard establishes special requirements for electrical installations premises containing heaters for saunas, in order to protect people from electrical shock and the safe operation of electrical equipment. General safety requirements - according to GOST R 50571.1 30331.1/GOST (Part 2). 2. Statutory references in this standard references to the following standards: GOST 30331.1-95 (IEC 364-1-72, IEC 364-2-70) / GOST 50571.1-93 (IEC 364-1-72, IEC 364-2-70 ) Electrical installations of buildings. Key provisions of GOST 30331.3-95 (IEC 364-4-41-92) / GOST 50571.3-94 (IEC 364-4-41-92) Electrical installations of buildings. Part 4. Security requirements. Protection against electric shock 30331.8-95 Standard (IEC 364-4-47-81) / GOST 50571.8-94 (IEC 364-4-47-81) Electrical installations of buildings. Part 4. Security requirements. General requirements for the application of protective measures to ensure safety. Requirements for the application of protective measures against electric shock GOST 27570.29-91. Safety of household and similar electrical appliances. Additional requirements for the radiator for saunas and test methods. 703. Spaces containing heaters for saunas 703.1. Electrical rooms containing sauna heaters, must meet a set of standards of GOST R 30331/GOST 50,571 to meet the requirements of this standard, which supplement, modify or revoke the relevant paragraphs of standards of this complex. Electric heaters for sauna must comply with the requirements of GOST 27570.29. 703.4. Security requirements. 703.41. Protection against electric shock - to GOST R 50571.3 30331.3/GOST with the following requirements. 703.411.1.4.3. When applied as a protective measure of BSNN protection from immediate direct contact with live parts, regardless of the rated voltage, should be done: by installing fencing or shells having a degree of protection not less IR2H, with insulation of live parts, test voltage 500V AC current (rms) for 1 min. 703,471. Application of protective measures against electric shock - to GOST R 50571.8 30331.8/GOST with the following requirements. 703.471.1. Protective measures against direct (direct) contact with live parts, performed by installing barriers to GOST 30331.3/GOST P 50571.3 (412.3), or placing live parts out of reach (412.4) 30331.3/GOST GOST R 50571.3, shall be permitted. 703.471.2. Protective measures against indirect contact to open the conductive parts in the non-conductive areas according to GOST R 30331.3/GOST 50571.3 (413.3) and executed by the device systems of the local bonding is not connected with the earth, according to GOST R 30331.3/GOST 50571.3 (413.4) are not allowed. 703.5. Selection and installation of electrical equipment. 703.51. General requirements. 703.51.2. Electrical equipment should have a degree of protection not less than IR24. This standard regulated zone placement and electrical requirements for electrical equipment (Figure 703A): zone 1, which is allowed to post only heaters for saunas, Zone 2, for which the requirements for heat resistance to electrical equipment is not installed, Zone 3, in which the electrical equipment must withstand temperatures of up less than 125 ° C, and the insulation of wires and cables - no less than 170 ° C Zone 4, which must be installed by the control unit heaters (thermostats and temperature) and electrical wiring for them. Wiring must withstand temperatures of at least 170 ° C. 703.52. Wiring. Wiring must have insulation that meets the requirements of GOST R 30331.3/GOST 50571.3 (413.2), and not have metal shells and tubes. 703.53. Distribution and control devices. The equipment is not built into the heaters should be placed outside the sauna. Do not install in the sauna sockets. Sauna should be equipped with a temperature limiter, which should switch off the electric heater from the network, if the temperature in zone 4 exceeds 140 ° C. 1 - insulation, 2 - Junction Box Drawing 703A - Zone ambient ___________ Key words: electrical buildings heaters for saunas; security, selection of electrical equipment, installation of electrical equipment, wiring Posted 20/07/2008 GOST on "Electrical, lighting, security systems," GOST 15597-82 Fixtures for industrial buildings. General specifications GOST 2.702-75 Unified system for design documentation. Rules for making electronic circuits with GOST 2.752-71 Unified system for design documentation. Graphical symbols in diagrams. Robot device GOST 2.755-87 Unified system for design documentation. Graphical symbols in electrical circuits. Device switching and contact connections GOST 2.756-76 * Unified system for design documentation. Graphical symbols in diagrams. Is often perceived electromechanical devices GOST 2.757-81 * Unified system for design documentation. Graphical symbols in diagrams. Elements of the switching field for switching systems GOST 2.758-81 Unified system for design documentation. Graphical symbols in diagrams. Signal Technology GOST 2.762-85 * Unified system for design documentation. Graphical symbols in electrical circuits. Frequencies and frequency bands for transmission systems GOST 2.763-85 * Unified system for design documentation. Graphical symbols in electrical circuits. Device with a pulse-code modulation GOST 2.764-86 Unified system for design documentation. Graphical symbols in electrical circuits. Integrated optoelectronic display elements GOST 2.768-90 Unified system for design documentation. Graphical symbols in diagrams.
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