Please note: All interim revisions for this edition available at time of your purchase will be included.
Knife Switches
UL 363
1 Scope
1.1 These requirements cover open knife switches for use in accordance with the National Electrical Code, ANSI/NFPA-70.
1.2 These requirements cover switches with or without fuseholders; switches having individual bases intended for either front or rear wiring connection; and switch parts without bases intended for mounting on switchboards and panelboards. Switches may be single- or multi-pole and with or without quick-break or auxiliary contacts, except where such contacts are specifically required.
Knife Switches
UL 363
1 Scope
1.1 These requirements cover open knife switches for use in accordance with the National Electrical Code, ANSI/NFPA-70.
1.2 These requirements cover switches with or without fuseholders; switches having individual bases intended for either front or rear wiring connection; and switch parts without bases intended for mounting on switchboards and panelboards. Switches may be single- or multi-pole and with or without quick-break or auxiliary contacts, except where such contacts are specifically required.
More Standards PDF
ULC 61911
$94.00 $188.00
TIA TIA-893-1
$185.00 $371.00
TIA TSB-902.BAAA
$70.00 $141.00
ULC 507
$105.00 $211.00