9.3 Stationary fans and permanently connected fans up in UL 507 9.3.1 In accordance with 9.1.1, the design and intended use of a stationary fan or of a fan intended to be permanently connected electrically is to be considered when evaluating an enclosure or guard. 9.3.2 The impeller of a stationary or permanently connected fan shall be constructed so that it cannot be contacted by the probe illust...
9.1 General 9.1.1 A device shall have live parts protected against exposure to contact by persons when fully assembled using all essential parts (described in 9.1.5) and installed in the intended manner. Exception No. 1: Male blades which are energized only when mated with the corresponding outlet are not required to comply with this requirement. Exception No. 2: Exposed wiring terminals or other ...
16 Accessibility of Live Parts 16.1 General 16.1.1 A live part that poses a risk of electric shock shall be located or enclosed so that the risk of contact is reduced. 16.1.2 The input impedance of the voltmeter used to measure voltage in accordance with the requirements of 16.2.1 and 16.3.1 is to be a minimum of one megohm. The input impedance of a meter with more than one megohm input impedance ...
中文简体
English
Русский
Español
Português
Türkçe
العربية
Deutsch
Polski
Italiano
Français
한국어
ไทย
Tiếng Việt
日本語