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UL-67-2009 pdf download - Panelboards. 4.7 BONDING JUMPER – A reliable conductor to ensure the required electrical conductivity between metal parts required to be electrically connected. 4.8 BONDING SCREW – A screw that is used as a...

UL 67-2020 pdf download - Panelboards. 3 Units of Measurement 3.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory or approximate information. 4 Undated References 4.1 Any undated reference to a code or...

UL 67 2019 pdf download - Panelboards. 2.6 The short-circuit current available in the secondary circuit of a transformer rated 10 kilololtamperes or less is considered to be 5000 amperes or less. 2.7 For other than a...