fire detector systems audible signaling appliances. revision of the mandatory standard si 1220 part 10. this revised standard adopts the american standard ansi ul 464 - 2003 r2008 called audible signal appliances with the following changes that appear in the hebrew section changes in the normative references. changes the units of measurement for electric voltage and frequency in paragraph 2.2.1 and 2.4 to be primarily according to the metric system. changes the references in paragraph 2.5 dealing with installation to fit israeli laws and standards. adds to paragraph 4.4 dealing with the construction of non-metallic enclosures that this paragraph applies to external installations. cancels the requirements of paragraph 4.5 dealing with the construction of ventilating openings and instead applies the requirements of si 60950 part 1 paragraph 4.6 may 2009 dealing with openings in enclosures. cancels the requirements of paragraph 7.1.1 dealing with field wiring system connections and instead applies the requirements of si 62 part 2.1. changes the measures of terminals and leads of field wiring system connection in paragraph 7.3.4 to 0.75 mm2. cancels the requirements of paragraph 7.4 dealing with grounding terminals and leads of field wiring system connection and instead applies the requirements of si 60950 part 1. adds to paragraph 8.1.3 dealing with internal wiring that all plastic conduits should comply with the requirements of si 61386 parts 21 and 22. changes paragraph 8.6.1 dealing with strain relief internal wiring so it applies only on installations connected to low-voltage. cancels the requirements of paragraph 9 dealing with bonding for grounding. changes table 12.2 dealing with test voltage for general signal service to fit israeli law and voltage. adds to paragraph 16 dealing with dust tests a requirement that external signalling appliances should fit the protection degree of ip5x as well as a reference to si 981. cancels the requirements of paragraphs 16.2 and 16.3 and instead applies the requirements of si 165 paragraph 5.5 dealing with dust entry. changes the requirements of paragraph 21 dealing with humidity tests to fit israeli conditions. cancel the corrosion tests detailed in paragraphs 22.2 and 22.3. cancels the requirements of paragraph 25 dealing with withstand test of dielectric voltage and instead applies the requirements of si 60950 part 1 paragraph 5.2 dealing with electric strength. these tests should not be performed with auto-transformer. determines 2 different noise levels of the audibility test described in paragraph 27.1.1 one level is for residential areas and the other is for non-residential areas. adds a new test method for polymeric materials as described in paragraph 28.3.6. adds a new test method for elastomeric materials as described in paragraph 30.2.1. cancels the requirements of paragraph 32 dealing with rain tests and instead applies the requirements of si 981. this new test should fit the protection degree of ipx4. the test method for spraying is detailed in paragraph 6.4 of si 165. changes the variable ambient temperature test in paragraph 33.1 to minus 100c. changes the requirements of the salt-spray test as appear in paragraph 35.2.1and 35.2.3. cancels the corrosion tests of outdoor use appliances detailed in paragraphs 35.3 and 35.4. cancels the manufacturing and production tests as appear in paragraphs 36 and 37. adds a requirement to provide installation and operating instructions to paragraph 39. changes the marking of noise level as it appears in paragraph 40.1. deletes appendix a.