The purpose of the IOGP S-732 specification is to define a minimum common set of requirements for the procurement of low voltage motor control centers in accordance with UL 845, Fifth edition, published October 31, 2018, Motor Control Centers for application in the petroleum and natural gas industries. The IOGP S-732 specification documents follow a common structure comprising a specification, also known as a technical requirements specification (TRS), a procurement data sheet (PDS), an information requirements specification (IRS) and a quality requirements specification (QRS). These four specification documents, together with the purchase order, define the overall technical specification for procurement.