Traffic control equipment. Warning and safety light devices Ingestion-build-115288 Intrusion alarm systems are designed

Intrusion alarm systems are designed to detect unauthorized entry into a building or outdoor area

This book is a guide to Technical Product Specifications (TPS) in relation to BS 8888

851 × 10 − 3 ° C − 1

This International Standard is not an implementation specification

Traffic control equipment. Warning and safety light devices Ingestion-build-115288 Intrusion alarm systems are designed1 Scope This European Standard specifies the requirements for individual electrically operated light devices, called warning lights, emitting a continuous or regular intermittent light of a single colour which, by their colour and position alone, are used to warn, inform or guide road users. It specifies the requirements for visual, structural and operational performances and the relevant test methods to be used. These devices rely upon existing