The standard IEC 60309-1:2021 applies to plugs, fixed or portable socket-outlets and appliance inlets with a rated operating voltage not exceeding 1,000 V DC or 1,000 V AC, a frequency not exceeding 500 Hz and a rated current not exceeding 800 A, which are mainly used in. The standard IEC 60309-1:2021 applies to plugs, fixed or portable socket-outlets and appliance inlets with a rated operating voltage not exceeding 1,000 V DC or 1,000 V AC, a frequency not exceeding 500 Hz and a rated current not exceeding 800 A, which are mainly used in. A means to disconnect each portable structure from all ungrounded conductors must be provided. The switch must consist of no more than six enclosed switches or circuit breakers and must be located within sight of and within 6 feet of the operator's station. Fuseholders with switches mounted on box. Portable cord- and plug-connected equipment and flexible cord sets (extension cords) shall be visually inspected before use on any shift for external defects (such as loose parts, deformed and missing pins, or damage to outer jacket or insulation) and for evidence of possible internal damage (such. AC power plugs and sockets connect devices to mains electricity to supply them with electrical power. A plug is the connector attached to an electrically operated device, often via a cable. 1 These requirements cover power outlets, with or without integral mounting posts or pedestals, and power outlet fittings for use in accordance with NFPA 70®, National Electrical Code® (NEC®). NFPA 70®, National Electrical Code®, and NEC® are registered trademarks of the National Fire Protection. These devices may also be called by other names such as power strips, multiple outlet connection and multiple outlet strip. Per Condition of Participation (CoP) §482.