What is ul1059?

UL 1059. November 26, 2019. UL STANDARD FOR SAFETY Terminal Blocks. These requirements cover assemblies of wiring terminals and supporting blocks intended to provide for the connection of wiring. Compliance with these requirements does not assure that the terminal…

What size is a terminal block?

Terminal blocks may be manufactured to fit one of several DIN rail sizes: Miniature top-hat rails are 15 mm wide. Terminal blocks that mount to this size can typically handle up to 300V. G32 rails are shaped like a letter ‘G’ and are 32 mm wide.

How do you select a terminal block?

A good rule of thumb is to select a terminal block that has a current rating of at least 150% of the system’s expected maximum current. The voltage rating should also be greater than the maximum system voltage. When thinking about this, voltage surges must be taken into consideration to prevent damaging the connection.

What are electrical terminal blocks?

A terminal block is a modular, insulated block that secures two or more wires together. Factories use terminal blocks to secure and/or terminate wires. In their most basic form, terminal blocks consist of several individual terminals which are arranged in a long strip.

What is ul 1059 5th edition?

UL 1059, 5th Edition, November 26, 2019 – UL STANDARD FOR SAFETY Terminal Blocks These requirements cover assemblies of wiring terminals and supporting blocks intended to provide for the connection of wiring. Compliance with these requirements does not assure that the terminal block is suitable for use as a component of an end product.

What are the electrical requirements for a terminal block?

These requirements cover assemblies of wiring terminals and supporting blocks intended to provide for the connection of wiring. Compliance with these requirements does not assure that the terminal block is suitable for use as a component of an end product. These requirements cover terminal blocks rated 1500 volts or less.

What is the purpose of a terminal block?

These terminal blocks are intended to permanently support and insulate wire terminations and joints from each other, and from the surface on which the terminal block is mounted, where the absence of such support or insulation presents a risk of fire, electric shock, or injury to persons.

Do I have to pay to get UL standards?

UL Certification Customers have free access to UL Standards, not including UL IEC Based Standards. UL Certification Customers may access published Standards materials by using the Standards Certification Customer Library (SCCL) at ULstandards.com. Not sure if your company already uses the Standards Customer Certification Library website?