UL 69-2009 pdf download – Electric-Fence Controllers

02-11-2022 comment

UL 69-2009 pdf download – Electric-Fence Controllers.
6.1 .6 The degree to which the enclosure is required to be tamper-resistant is determined in part by the type of current-limiting means employed, the type of timing mechanism or circuit employed, and any auxiliary device that would function to make the controller inoperable in the event of tampering. Sealing wax applied over a screwhead or in a recess to conceal a bolt head or nut is not considered to be an acceptable means for making an enclosure tamper-resistant. 6.1 .7 The tamper-resistant enclosure shall completely house all live parts if tampering with such parts may result in a risk of fire, electric shock, or injury to persons. Exception: The screw shell of a lampholder or fuseholder that is not completely within the enclosure, the supply cord or wiring terminals, and the terminals for connecting the fence and grounding conductors need not be enclosed. 6.1 .8 Leads or terminals for primary connections of a fence controller, that are located outside the tamper-resistant enclosure shall be housed within a supplementary enclosure. Exception: This requirement does not apply to a portable, indoor, battery-operated fence controller if it complies with the requirements in 1 0.3.1 .8. 6.1 .9 A battery-operated fence controller marked ″Outdoor Use″ as specified in 38.2 shall have provision for completely enclosing the battery leads. Exception: This requirement does not apply to a battery-operated fence controller provided with leads that are marked for outdoor use with ″ Water Resistant, ″ ″ W, ″ and ″ W-A ″ or the word ″ Outdoor, ″ or other equivalent marking. See 1 0.2.3. 6.2 Doors and covers 6.2.1 A door, cover, or the like employed as a supplementary enclosure shall be provided with means, such as locks, interlocks, screws, and seals, for securing it firmly in place.
7 Mounting 7.1 Means shall be provided for securely mounting or otherwise supporting the fence controller in its intended operating position. 7.2 A line- or battery-operated fence controller shall not be provided with a means for permanent mounting unless the supply connections comply with the requirements in 1 0.2.1 or 1 0.2.2, respectively. Keyhole slots that may be provided on a portable unit are not considered a means for permanent mounting. 7.3 Bolts, screws, or other parts used for mounting a fence controller shall be independent of those used for securing parts of the fence controller to the frame, base, or panel.

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BS IEC 63085:2021 pdf download – Radiation protection instrumentation – System of spectral identification of liquids in transparent and semitransparent containers (Raman systems) UL Standards free download

BS IEC 63085:2021 pdf download – Radiation protection instrumentation – System of spectral identification of liquids in transparent and semitransparent containers (Raman systems)

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