Standard for Residential Fire Warning System Control Units
1. Scope
1.1 These requirements cover residential fire warning system control units and accessories intended to be installed in accordance with the Standard for the Installation of Residential Fire Warning Systems, CAN/ULC-S540.
1.2 A residential fire warning system control unit consists of a unit assembly of electrical parts having provision for connnection of power source and initiating…
Live working - Portable phase comparators for use on voltages from 1 kV to 36 kV a.c.
Is applicable to portable phase comparators with or without a built-in power source to be used on electrical systems for voltages from 1 kV to 36 kV a.c. and frequencies from 50 Hz to 60 Hz. This standard is applicable to two-pole phase comparators having a connecting lead between them, two-pole phase comparators operating with a wireless connection and single-pole phase comparators operating…
Fittings made from unplasticized poly(vinyl chloride) (PVC-U), chlorinated poly(vinyl chloride) (PVC...
This part of ISO 727 specifies the dimensions of plain sockets (cylindrical and conical) in fittings made from unplasticized poly(vinyl chloride) (PVC-U), chlorinated poly(vinyl chloride) (PVC-C) or acrylonitrile/butadiene/styrene (ABS), intended for connecting by solvent cementing to pipes of the corresponding material for use under pressure. The resulting joint does not require mechanical…
Information technology — Enhanced communications transport protocol: Specification of simplex multic...
This Recommendation | International Standard specifies the Enhanced Communications Transport Protocol (ECTP),
which is a transport protocol designed to support Internet multicast applications over multicast-capable IP networks.
This Recommendation | International Standard specifies the ECTP for the simplex multicast transport connection that
consists of one sender and many receivers. This…
Fittings made from unplasticized poly(vinyl chloride) (PVC-U), chlorinated poly(vinyl chloride) (PVC...
This part of ISO 727 specifies the dimensions, in millimetres, of plain sockets (cylindrical and conical), for the inch-based pipe series, in fittings made from unplasticized poly(vinyl chloride) (PVC-U), chlorinated poly(vinyl chloride) (PVC-C) or acrylonitrile/butadiene/styrene (ABS), intended for connecting by solvent cementing to pipes of the corresponding material for use under pressure. The…
Information technology - Enhanced communications transport protocol: Specification of simplex multic...
This Recommendation | International Standard specifies the Enhanced Communications Transport Protocol (ECTP),
which is a transport protocol designed to support Internet multicast applications over multicast-capable IP networks.
This Recommendation | International Standard specifies the ECTP for the simplex multicast transport connection that
consists of one sender and many receivers. This…
Power transformers - Part 4: Guide to the lightning impulse and switching impulse testing - Power tr...
Gives guidance and explanatory comments on the existing procedures for lightning and switching impulse testing of power transformers to supplement the requirements of IEC 60076-3. Also generally applicable to the testing of reactors (see IEC 60289), modifications to power transformer procedures being indicated where required. Information is given on waveshapes, test circuits including test…
Gas Hose Connectors for Portable Outdoor Gas-Fired Appliances
1.1 Scope
1.1.1
This standard applies to gas hose connectors (see Part IV, Definitions), hereinafter referred to as connectors. They are conduits for conveying gas and depend for gas-tightness on the wall structure of the hose material. Such connectors shall be:
a. Newly produced and constructed entirely of new, unused parts and materials; and
b. Equipped with a fitting at…
