CAN/CSA-Z32.4-M86

1. Scope and Purpose 1.1 This Standard applies to the design, installation, operation, and maintenance of those portions of a hospital electrical system in which the interruption of the normal supply would jeopardize the effective and safe care of its patients, the safety of hospital staff, and the public. 1.2 This Standard includes requirements for the installation of a hospital electrical system referred to in Clause 1.1 that are not dealt with in CSA Standard C22.1. 1.3 This Standard does not include requirements for uninterruptible power supplies. Note: Examples of "uninterruptible power supplies" are those needed for certain computer equipment applications, eg, a mini-computer involved in patient treatment by external feedback control and those computers involved in monitoring the critically ill. Computer users and manufacturers who are aware of the volatile nature of computer operations employ uninterruptible power supplies in critical areas. 1.4 This Standard does not apply to nursing homes or residential, custodial care facilities. 1.5 The purpose of this Standard is to reduce the hazards to patients, hospital staff, and the public that may arise upon interruption of the normal electrical supply of a hospital.